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Summary

This document is the 2009 Edition of the Manual on Uniform Traffic Control Devices (MUTCD), the national standard for traffic control devices approved by the Federal Highway Administration under 23 U.S. Code and 23 CFR 655. The MUTCD provides comprehensive standards and guidance for the design, application, placement, operation, and maintenance of all traffic control devices—including signs, signals, markings, and related devices—used on streets, highways, bikeways, and private roads open to public travel throughout the United States. The manual addresses nine parts covering general provisions, signs (regulatory, warning, and guide signs for conventional roads and freeways), markings, highway traffic signals, traffic control for low-volume roads, temporary traffic control zones, school areas, railroad/light rail grade crossings, and bicycle facilities. Key sections establish uniform standards for sign dimensions, lettering heights, colors, retroreflectivity requirements, placement distances, and operational specifications designed to promote safety and facilitate orderly traffic movement.

The MUTCD establishes mandatory standards (prefaced with "shall"), recommended guidance (prefaced with "should"), and permissive options (prefaced with "may") that states and local jurisdictions must follow to maintain substantial conformance with federal requirements. The document specifies compliance deadlines for implementation of various provisions, with target dates established by FHWA ranging from 2011 through 2019. All traffic control devices must conform to standard designs, colors, and specifications detailed in the accompanying "Standard Highway Signs and Markings" publication. States are required to adopt the MUTCD either in its entirety or with supplemental provisions within two years of any revision, and new or reconstructed devices must comply with the current edition before reopening roadways to public travel. The manual applies to all public highways and private roads open to public travel, with specific exemptions for parking areas and private gated properties.

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Text version

2009 Edition Page i

December 2009�

The Manual on Uniform Traffic Control Devices (MUTCD) is approved by the Federal Highway Administrator as the National Standard in accordance with Title 23 U.S. Code, Sections 109(d), 114(a), 217, 315, and 402(a), 23 CFR 655, and 49 CFR 1.48(b)(8), 1.48(b)(33), and 1.48(c)(2).

Addresses for Publications Referenced in the MUTCD

American Automobile Association (AAA) 1000 AAA Drive Heathrow, FL 32746 www.aaa.com 800‑222‑4357

American Association of State Highway and Transportation Officials (AASHTO) 444 North Capitol Street, NW, Suite 249 Washington, DC 20001 www.transportation.org 202‑624‑5800

American National Standards Institute (ANSI) 1819 L Street, NW, 6th floor Washington, DC 20036 www.ansi.org 202‑293‑8020

American Railway Engineering and Maintenance‑of‑Way Association (AREMA) 10003 Derekwood Lane, Suite 210 Lanham, MD 20706 www.arema.org 301‑459‑3200

Federal Highway Administration Report Center Facsimile number: 814-239-2156 report.center@fhwa.dot.gov

Illuminating Engineering Society (IES) 120 Wall Street, Floor 17 New York, NY 10005 www.iesna.org 212‑248‑5000

Institute of Makers of Explosives 1120 19th Street, NW, Suite 310 Washington, DC 20036‑3605 www.ime.org 202‑429‑9280

Institute of Transportation Engineers (ITE) 1099 14th Street, NW, Suite 300 West Washington, DC 20005‑3438 www.ite.org 202‑289‑0222

International Organization for Standardization 1, ch. de la Voie‑Creuse Case Postale 56

CH‑1211

Geneva 20, Switzerland www.iso.ch 011‑41‑22‑749‑0111

Page ii 2009 Edition

� December 2009

International Safety Equipment Association (ISEA) 1901 North Moore Street, Suite 808 Arlington, VA 22209 www.safetyequipment.org 703‑525‑1695

National Committee on Uniform Traffic Laws and Ordinances (NCUTLO) 107 South West Street, Suite 110 Alexandria, VA 22314 www.ncutlo.org 800‑807‑5290

National Electrical Manufacturers Association (NEMA) 1300 North 17th Street, Suite 1752 Rosslyn, VA 22209 www.nema.org 703‑841‑3200

Occupational Safety and Health Administration (OSHA) U.S. Department of Labor 200 Constitution Avenue, NW Washington, DC 20210 www.osha.gov 800‑321‑6742

Transportation Research Board (TRB) The National Academies 500 Fifth Street, NW Washington, DC 20001 www.nas.edu/trb 202‑334‑3072

U.S. Architectural and Transportation Barriers Compliance Board (The U.S. Access Board) 1331 F Street, NW, Suite 1000 Washington, DC 20004‑1111 www.access‑board.gov 202‑272‑0080

Acknowledgments

The Federal Highway Administration gratefully acknowledges the valuable assistance that it received from the National Committee on Uniform Traffic Control Devices and its more than 250 voluntary members in the development of this Manual.

2009 Edition Page TC-1

MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES

TABLE OF CONTENTS

Page

INTRODUCTION...........................................................................................................................................I-1

PART 1.GENERAL
CHAPTER 1A.GENERAL
Section 1A.01Purpose of Traffic Control Devices............................................................................................. 1
Section 1A.02Principles of Traffic Control Devices.......................................................................................... 1
Section 1A.03Design of Traffic Control Devices............................................................................................... 1
Section 1A.04Placement and Operation of Traffic Control Devices................................................................. 2
Section 1A.05Maintenance of Traffic Control Devices..................................................................................... 2
Section 1A.06Uniformity of Traffic Control Devices........................................................................................ 2
Section 1A.07Responsibility for Traffic Control Devices.................................................................................. 2
Section 1A.08Authority for Placement of Traffic Control Devices................................................................... 3
Section 1A.09Engineering Study and Engineering Judgment........................................................................... 4
Section 1A.10Interpretations, Experimentations, Changes, and Interim Approvals......................................... 4
Section 1A.11Relation to Other Publications.................................................................................................... 7
Section 1A.12Color Code................................................................................................................................ 10
Section 1A.13Definitions of Headings, Words, and Phrases in this Manual................................................... 10
Section 1A.14Meanings of Acronyms and Abbreviations in this Manual....................................................... 23
Section 1A.15Abbreviations Used on Traffic Control Devices........................................................................ 24
PART 2.SIGNS
CHAPTER 2A.GENERAL
Section 2A.01Function and Purpose of Signs................................................................................................. 27
Section 2A.02Definitions................................................................................................................................. 27
Section 2A.03Standardization of Application................................................................................................. 27
Section 2A.04Excessive Use of Signs.............................................................................................................. 27
Section 2A.05Classification of Signs............................................................................................................... 28
Section 2A.06Design of Signs......................................................................................................................... 28
Section 2A.07Retroreflectivity and Illumination............................................................................................. 29
Section 2A.08Maintaining Minimum Retroreflectivity................................................................................... 30
Section 2A.09Shapes....................................................................................................................................... 32
Section 2A.10Sign Colors................................................................................................................................ 32
Section 2A.11Dimensions................................................................................................................................ 32
Section 2A.12Symbols..................................................................................................................................... 34
Section 2A.13Word Messages......................................................................................................................... 35
Section 2A.14Sign Borders.............................................................................................................................. 36
Section 2A.15Enhanced Conspicuity for Standard Signs................................................................................ 36
Section 2A.16Standardization of Location...................................................................................................... 37
Section 2A.17Overhead Sign Installations...................................................................................................... 41
Section 2A.18Mounting Height....................................................................................................................... 42
Section 2A.19Lateral Offset............................................................................................................................ 43
Section 2A.20Orientation................................................................................................................................ 43
Section 2A.21Posts and Mountings................................................................................................................. 44
Section 2A.22Maintenance.............................................................................................................................. 44
Section 2A.23Median Opening Treatments for Divided Highways with Wide Medians................................ 44

Page TC-2 2009 Edition

CHAPTER 2B.REGULATORY SIGNS, BARRICADES, AND GATES
Section 2B.01Application of Regulatory Signs............................................................................................... 45
Section 2B.02Design of Regulatory Signs....................................................................................................... 45
Section 2B.03Size of Regulatory Signs........................................................................................................... 45
Section 2B.04Right-of-Way at Intersections.................................................................................................... 49
Section 2B.05STOP Sign (R1-1) and ALL WAY Plaque (R1-3P)................................................................... 51
Section 2B.06STOP Sign Applications........................................................................................................... 52
Section 2B.07Multi-Way Stop Applications.................................................................................................... 52
Section 2B.08YIELD Sign (R1-2)................................................................................................................... 53
Section 2B.09YIELD Sign Applications......................................................................................................... 53
Section 2B.10STOP Sign or YIELD Sign Placement...................................................................................... 53
Section 2B.11Yield Here To Pedestrians Signs and Stop Here For Pedestrians Signs (R1-5 Series).............. 54
Section 2B.12In-Street and Overhead Pedestrian Crossing Signs (R1-6, R1-6a, R1-9, and R1-9a)................ 55
Section 2B.13Speed Limit Sign (R2-1)........................................................................................................... 56
Section 2B.14Truck Speed Limit Plaque (R2-2P)........................................................................................... 58
Section 2B.15Night Speed Limit Plaque (R2-3P)............................................................................................ 58
Section 2B.16Minimum Speed Limit Plaque (R2-4P).................................................................................... 59
Section 2B.17Higher Fines Signs and Plaque (R2-6P, R2-10, and R2-11)...................................................... 59
Section 2B.18Movement Prohibition Signs (R3-1 through R3-4, R3-18, and R3-27)..................................... 60
Section 2B.19Intersection Lane Control Signs (R3-5 through R3-8).............................................................. 61
Section 2B.20Mandatory Movement Lane Control Signs (R3-5, R3-5a, R3-7, and R3-20)............................ 62
Section 2B.21Optional Movement Lane Control Sign (R3-6)........................................................................ 63
Section 2B.22Advance Intersection Lane Control Signs (R3-8 Series)........................................................... 64
Section 2B.23RIGHT (LEFT) LANE MUST EXIT Sign (R3-33)................................................................. 64
Section 2B.24Two-Way Left Turn Only Signs (R3-9a, R3-9b)....................................................................... 64
Section 2B.25BEGIN and END Plaques (R3-9cP, R3-9dP)............................................................................ 64
Section 2B.26Reversible Lane Control Signs (R3-9e through R3-9i)............................................................. 65
Section 2B.27Jughandle Signs (R3-23, R3-24, R3-25, and R3-26 Series)....................................................... 67
Section 2B.28DO NOT PASS Sign (R4-1)...................................................................................................... 72
Section 2B.29PASS WITH CARE Sign (R4-2).............................................................................................. 73
Section 2B.30KEEP RIGHT EXCEPT TO PASS Sign (R4-16) and SLOWER TRAFFIC KEEP
RIGHT Sign (R4-3)................................................................................................................... 73
Section 2B.31TRUCKS USE RIGHT LANE Sign (R4-5).............................................................................. 73
Section 2B.32Keep Right and Keep Left Signs (R4-7, R4-8).......................................................................... 73
Section 2B.33STAY IN LANE Sign (R4-9).................................................................................................... 74
Section 2B.34RUNAWAY VEHICLES ONLY Sign (R4-10).......................................................................... 74
Section 2B.35Slow Vehicle Turn-Out Signs (R4-12, R4-13, and R4-14)......................................................... 74
Section 2B.36DO NOT DRIVE ON SHOULDER Sign (R4-17) and DO NOT PASS ON SHOULDER
Sign (R4-18).............................................................................................................................. 75
Section 2B.37DO NOT ENTER Sign (R5-1).................................................................................................. 75
Section 2B.38WRONG WAY Sign (R5-1a)..................................................................................................... 76
Section 2B.39Selective Exclusion Signs.......................................................................................................... 76
Section 2B.40ONE WAY Signs (R6-1, R6-2).................................................................................................. 77
Section 2B.41Wrong-Way Traffic Control at Interchange Ramps................................................................... 79
Section 2B.42Divided Highway Crossing Signs (R6-3, R6-3a)....................................................................... 82
Section 2B.43Roundabout Directional Arrow Signs (R6-4, R6-4a, and R6-4b)............................................. 84
Section 2B.44Roundabout Circulation Plaque (R6-5P)................................................................................... 84
Section 2B.45Examples of Roundabout Signing............................................................................................. 84
Section 2B.46Parking, Standing, and Stopping Signs (R7 and R8 Series)...................................................... 88
Section 2B.47Design of Parking, Standing, and Stopping Signs..................................................................... 89
Section 2B.48Placement of Parking, Stopping, and Standing Signs............................................................... 92
Section 2B.49Emergency Restriction Signs (R8-4, R8-7, R8-8)...................................................................... 92
Section 2B.50WALK ON LEFT FACING TRAFFIC and No Hitchhiking Signs (R9-1, R9-4, R9-4a)........ 92

2009 Edition Page TC-3

Section 2B.51Pedestrian Crossing Signs (R9-2, R9-3).................................................................................... 92
Section 2B.52Traffic Signal Pedestrian and Bicycle Actuation Signs (R10-1 through R10-4, and R10-24
through R10-26)........................................................................................................................ 94
Section 2B.53Traffic Signal Signs (R10-5 through R10-30)............................................................................ 95
Section 2B.54No Turn on Red Signs (R10-11 Series, R10-17a, and R10-30).................................................. 95
Section 2B.55Photo Enforced Signs and Plaques (R10-18, R10-19P, R10-19aP)............................................. 97
Section 2B.56Ramp Metering Signs (R10-28 and R10-29)............................................................................. 97
Section 2B.57KEEP OFF MEDIAN Sign (R11-1).......................................................................................... 97
Section 2B.58ROAD CLOSED Sign (R11-2) and LOCAL TRAFFIC ONLY Signs (R11-3 Series, R11-4).... 98
Section 2B.59Weight Limit Signs (R12-1 through R12-5).............................................................................. 98
Section 2B.60Weigh Station Signs (R13 Series).............................................................................................. 99
Section 2B.61TRUCK ROUTE Sign (R14-1).................................................................................................. 99
Section 2B.62Hazardous Material Signs (R14-2, R14-3)................................................................................ 99
Section 2B.63National Network Signs (R14-4, R14-5)................................................................................. 100
Section 2B.64Headlight Use Signs (R16-5 through R16-11)......................................................................... 100
Section 2B.65FENDER BENDER Sign (R16-4).......................................................................................... 101
Section 2B.66Seat Belt Symbol..................................................................................................................... 101
Section 2B.67Barricades............................................................................................................................... 101
Section 2B.68Gates....................................................................................................................................... 101
CHAPTER 2C.WARNING SIGNS AND OBJECT MARKERS
Section 2C.01Function of Warning Signs..................................................................................................... 103
Section 2C.02Application of Warning Signs................................................................................................. 103
Section 2C.03Design of Warning Signs........................................................................................................ 103
Section 2C.04Size of Warning Signs............................................................................................................. 103
Section 2C.05Placement of Warning Signs................................................................................................... 108
Section 2C.06Horizontal Alignment Warning Signs..................................................................................... 109
Section 2C.07Horizontal Alignment Signs (W1-1 through W1-5, W1-11, W1-15).........................................110
Section 2C.08Advisory Speed Plaque (W13-1P)............................................................................................112
Section 2C.09Chevron Alignment Sign (W1-8).............................................................................................112
Section 2C.10Combination Horizontal Alignment/Advisory Speed Signs (W1-1a, W1-2a)..........................113
Section 2C.11Combination Horizontal Alignment/Intersection Signs (W1-10 Series)..................................113
Section 2C.12One-Direction Large Arrow Sign (W1-6)................................................................................113
Section 2C.13Truck Rollover Warning Sign (W1-13).....................................................................................114
Section 2C.14Advisory Exit and Ramp Speed Signs (W13-2 and W13-3).....................................................114
Section 2C.15Combination Horizontal Alignment/Advisory Exit and Ramp Speed Signs (W13-6 and
W13-7)......................................................................................................................................115
Section 2C.16Hill Signs (W7-1, W7-1a).........................................................................................................115
Section 2C.17Truck Escape Ramp Signs (W7-4 Series)................................................................................115
Section 2C.18HILL BLOCKS VIEW Sign (W7-6).......................................................................................117
Section 2C.19ROAD NARROWS Sign (W5-1)..............................................................................................117
Section 2C.20NARROW BRIDGE Sign (W5-2)............................................................................................118
Section 2C.21ONE LANE BRIDGE Sign (W5-3).........................................................................................118
Section 2C.22Divided Highway Sign (W6-1).................................................................................................119
Section 2C.23Divided Highway Ends Sign (W6-2)........................................................................................119
Section 2C.24Freeway or Expressway Ends Signs (W19 Series)...................................................................119
Section 2C.25Double Arrow Sign (W12-1)....................................................................................................119
Section 2C.26DEAD END/NO OUTLET Signs (W14-1, W14-1a, W14-2, W14-2a).....................................119
Section 2C.27Low Clearance Signs (W12-2 and W12-2a)............................................................................ 120
Section 2C.28BUMP and DIP Signs (W8-1, W8-2)...................................................................................... 120
Section 2C.29SPEED HUMP Sign (W17-1).................................................................................................. 120
Section 2C.30PAVEMENT ENDS Sign (W8-3)........................................................................................... 122
Section 2C.31Shoulder Signs (W8-4, W8-9, W8-17, W8-23, and W8-25)..................................................... 122
Section 2C.32Surface Condition Signs (W8-5, W8-7, W8-8, W8-11, W8-13, and W8-14)............................ 122

Page TC-4 2009 Edition

Section 2C.33Warning Signs and Plaques for Motorcyclists (W8-15, W8-15P, and W8-16)......................... 123
Section 2C.34NO CENTER LINE Sign (W8-12)......................................................................................... 123
Section 2C.35Weather Condition Signs (W8-18, W8-19, W8-21, and W8-22).............................................. 123
Section 2C.36Advance Traffic Control Signs (W3-1, W3-2, W3-3, W3-4)................................................... 123
Section 2C.37Advance Ramp Control Signal Signs (W3-7 and W3-8)......................................................... 124
Section 2C.38Reduced Speed Limit Ahead Signs (W3-5, W3-5a)................................................................ 124
Section 2C.39DRAW BRIDGE Sign (W3-6)................................................................................................ 125
Section 2C.40Merge Signs (W4-1, W4-5)...................................................................................................... 125
Section 2C.41Added Lane Signs (W4-3, W4-6)............................................................................................ 126
Section 2C.42Lane Ends Signs (W4-2, W9-1, W9-2).................................................................................... 126
Section 2C.43RIGHT (LEFT) LANE EXIT ONLY AHEAD Sign (W9-7)................................................. 126
Section 2C.44Two-Way Traffic Sign (W6-3)................................................................................................. 127
Section 2C.45NO PASSING ZONE Sign (W14-3)........................................................................................ 127
Section 2C.46Intersection Warning Signs (W2-1 through W2-8)................................................................. 127
Section 2C.47Two-Direction Large Arrow Sign (W1-7)............................................................................... 128
Section 2C.48Traffic Signal Signs (W25-1, W25-2)...................................................................................... 128
Section 2C.49Vehicular Traffic Warning Signs (W8-6, W11-1, W11-5, W11-5a, W11-8, W11-10, W11-11,
W11-12P, W11-14, W11-15, and W11-15a)............................................................................... 128
Section 2C.50Non-Vehicular Warning Signs (W11-2, W11-3, W11-4, W11-6, W11-7, W11-9, and W11-16
through W11-22)...................................................................................................................... 130
Section 2C.51Playground Sign (W15-1).........................................................................................................131
Section 2C.52NEW TRAFFIC PATTERN AHEAD Sign (W23-2)..............................................................131
Section 2C.53Use of Supplemental Warning Plaques....................................................................................131
Section 2C.54Design of Supplemental Warning Plaques.............................................................................. 132
Section 2C.55Distance Plaques (W16-2 Series, W16-3 Series, W16-4P, W7-3aP)........................................ 132
Section 2C.56Supplemental Arrow Plaques (W16-5P, W16-6P)................................................................... 132
Section 2C.57Hill-Related Plaques (W7-2 Series, W7-3 Series)................................................................... 133
Section 2C.58Advance Street Name Plaque (W16-8P, W16-8aP)................................................................. 133
Section 2C.59CROSS TRAFFIC DOES NOT STOP Plaque (W4-4P)........................................................ 133
Section 2C.60SHARE THE ROAD Plaque (W16-1P).................................................................................. 133
Section 2C.61Photo Enforced Plaque (W16-10P).......................................................................................... 134
Section 2C.62NEW Plaque (W16-15P)......................................................................................................... 134
Section 2C.63Object Marker Design and Placement Height......................................................................... 134
Section 2C.64Object Markers for Obstructions Within the Roadway........................................................... 135
Section 2C.65Object Markers for Obstructions Adjacent to the Roadway.................................................... 135
Section 2C.66Object Markers for Ends of Roadways.................................................................................... 136
CHAPTER 2D.GUIDE SIGNS—CONVENTIONAL ROADS
Section 2D.01Scope of Conventional Road Guide Sign Standards............................................................... 137
Section 2D.02Application.............................................................................................................................. 137
Section 2D.03Color, Retroreflection, and Illumination................................................................................. 137
Section 2D.04Size of Signs............................................................................................................................ 137
Section 2D.05Lettering Style......................................................................................................................... 138
Section 2D.06Size of Lettering...................................................................................................................... 138
Section 2D.07Amount of Legend.................................................................................................................. 140
Section 2D.08Arrows..................................................................................................................................... 140
Section 2D.09Numbered Highway Systems.................................................................................................. 142
Section 2D.10Route Signs and Auxiliary Signs............................................................................................ 142
Section 2D.11Design of Route Signs..............................................................................................................143
Section 2D.12Design of Route Sign Auxiliaries............................................................................................ 144
Section 2D.13Junction Auxiliary Sign (M2-1).............................................................................................. 144
Section 2D.14Combination Junction Sign (M2-2)......................................................................................... 145
Section 2D.15Cardinal Direction Auxiliary Signs (M3-1 through M3-4).................................................... 145
Section 2D.16Auxiliary Signs for Alternative Routes (M4 Series)............................................................... 145

2009 Edition Page TC-5

Section 2D.17ALTERNATE Auxiliary Signs (M4-1, M4-1a)....................................................................... 145
Section 2D.18BY-PASS Auxiliary Sign (M4-2)............................................................................................ 146
Section 2D.19BUSINESS Auxiliary Sign (M4-3)......................................................................................... 146
Section 2D.20TRUCK Auxiliary Sign (M4-4).............................................................................................. 146
Section 2D.21TO Auxiliary Sign (M4-5)...................................................................................................... 146
Section 2D.22END Auxiliary Sign (M4-6)................................................................................................... 146
Section 2D.23BEGIN Auxiliary Sign (M4-14).............................................................................................. 146
Section 2D.24TEMPORARY Auxiliary Signs (M4-7, M4-7a).......................................................................147
Section 2D.25Temporary Detour and Auxiliary Signs...................................................................................147
Section 2D.26Advance Turn Arrow Auxiliary Signs (M5-1, M5-2, and M5-3).............................................147
Section 2D.27Lane Designation Auxiliary Signs (M5-4, M5-5, and M5-6)................................................. 148
Section 2D.28Directional Arrow Auxiliary Signs (M6 Series)..................................................................... 148
Section 2D.29Route Sign Assemblies............................................................................................................ 148
Section 2D.30Junction Assembly.................................................................................................................. 153
Section 2D.31Advance Route Turn Assembly............................................................................................... 153
Section 2D.32Directional Assembly.............................................................................................................. 153
Section 2D.33Combination Lane-Use/Destination Overhead Guide Sign (D15-1)........................................ 154
Section 2D.34Confirming or Reassurance Assemblies................................................................................. 155
Section 2D.35Trailblazer Assembly.............................................................................................................. 155
Section 2D.36Destination and Distance Signs............................................................................................... 156
Section 2D.37Destination Signs (D1 Series).................................................................................................. 156
Section 2D.38Destination Signs at Circular Intersections............................................................................. 157
Section 2D.39Destination Signs at Jughandles.............................................................................................. 158
Section 2D.40Location of Destination Signs................................................................................................. 158
Section 2D.41Distance Signs (D2 Series).......................................................................................................161
Section 2D.42Location of Distance Signs......................................................................................................161
Section 2D.43Street Name Signs (D3-1 or D3-1a)..........................................................................................161
Section 2D.44Advance Street Name Signs (D3-2)........................................................................................ 163
Section 2D.45Signing on Conventional Roads on Approaches to Interchanges............................................ 164
Section 2D.46Freeway Entrance Signs (D13-3 and D13-3a).......................................................................... 170
Section 2D.47Parking Area Guide Sign (D4-1)..............................................................................................171
Section 2D.48PARK - RIDE Sign (D4-2)......................................................................................................171
Section 2D.49Weigh Station Signing (D8 Series).......................................................................................... 172
Section 2D.50Community Wayfinding Signs................................................................................................ 172
Section 2D.51Truck, Passing, or Climbing Lane Signs (D17-1 and D17-2)................................................... 178
Section 2D.52Slow Vehicle Turn-Out Sign (D17-7)....................................................................................... 178
Section 2D.53Signing of Named Highways................................................................................................... 179
Section 2D.54Crossover Signs (D13-1 and D13-2)........................................................................................ 179
Section 2D.55National Scenic Byways Signs (D6-4, D6-4a)........................................................................ 179
CHAPTER 2E.GUIDE SIGNS—FREEWAYS AND EXPRESSWAYS
Section 2E.01Scope of Freeway and Expressway Guide Sign Standards.......................................................181
Section 2E.02Freeway and Expressway Signing Principles...........................................................................181
Section 2E.03Guide Sign Classification.........................................................................................................181
Section 2E.04General.................................................................................................................................... 182
Section 2E.05Color of Guide Signs............................................................................................................... 182
Section 2E.06Retroreflection or Illumination................................................................................................ 182
Section 2E.07Characteristics of Urban Signing............................................................................................ 182
Section 2E.08Characteristics of Rural Signing............................................................................................. 183
Section 2E.09Signing of Named Highways................................................................................................... 183
Section 2E.10Amount of Legend on Guide Signs......................................................................................... 183
Section 2E.11Number of Signs at an Overhead Installation and Sign Spreading......................................... 183
Section 2E.12Pull-Through Signs (E6-2, E6-2a)........................................................................................... 184
Section 2E.13Designation of Destinations.................................................................................................... 184

Page TC-6 2009 Edition

Section 2E.14Size and Style of Letters and Signs......................................................................................... 185
Section 2E.15lnterline and Edge Spacing..................................................................................................... 185
Section 2E.16Sign Borders............................................................................................................................ 192
Section 2E.17Abbreviations.......................................................................................................................... 192
Section 2E.18Symbols................................................................................................................................... 192
Section 2E.19Arrows for Interchange Guide Signs....................................................................................... 192
Section 2E.20Signing for Option Lanes at Splits and Multi-Lane Exits....................................................... 193
Section 2E.21Design of Overhead Arrow-per-Lane Guide Signs for Option Lanes..................................... 193
Section 2E.22Design of Freeway and Expressway Diagrammatic Guide Signs for Option Lanes............... 198
Section 2E.23Signing for Intermediate and Minor Interchange Multi-Lane Exits with an Option Lane..... 203
Section 2E.24Signing for Interchange Lane Drops....................................................................................... 203
Section 2E.25Overhead Sign Installations.................................................................................................... 206
Section 2E.26Lateral Offset.......................................................................................................................... 210
Section 2E.27Route Signs and Trailblazer Assemblies................................................................................. 210
Section 2E.28Eisenhower Interstate System Signs (M1-10, M1-10a).............................................................211
Section 2E.29Signs for Intersections at Grade...............................................................................................211
Section 2E.30Interchange Guide Signs..........................................................................................................211
Section 2E.31Interchange Exit Numbering................................................................................................... 212
Section 2E.32Interchange Classification........................................................................................................216
Section 2E.33Advance Guide Signs...............................................................................................................216
Section 2E.34Next Exit Plaques.....................................................................................................................218
Section 2E.35Other Supplemental Guide Signs.............................................................................................218
Section 2E.36Exit Direction Signs................................................................................................................ 220
Section 2E.37Exit Gore Signs (E5-1 Series)................................................................................................. 222
Section 2E.38Post-Interchange Signs............................................................................................................ 222
Section 2E.39Post-Interchange Distance Signs............................................................................................. 223
Section 2E.40Interchange Sequence Signs.................................................................................................... 223
Section 2E.41Community Interchanges Identification Signs........................................................................ 225
Section 2E.42NEXT XX EXITS Sign.......................................................................................................... 225
Section 2E.43Signing by Type of Interchange.............................................................................................. 226
Section 2E.44Freeway-to-Freeway Interchange............................................................................................ 226
Section 2E.45Cloverleaf Interchange............................................................................................................ 226
Section 2E.46Cloverleaf Interchange with Collector-Distributor Roadways................................................. 230
Section 2E.47Partial Cloverleaf Interchange................................................................................................. 230
Section 2E.48Diamond Interchange.............................................................................................................. 230
Section 2E.49Diamond Interchange in Urban Area...................................................................................... 234
Section 2E.50Closely-Spaced Interchanges................................................................................................... 234
Section 2E.51Minor Interchange................................................................................................................... 234
Section 2E.52Signing on Conventional Road Approaches and Connecting Roadways................................ 235
Section 2E.53Wrong-Way Traffic Control at Interchange Ramps................................................................. 235
Section 2E.54Weigh Station Signing............................................................................................................. 236
CHAPTER 2F.TOLL ROAD SIGNS
Section 2F.01Scope....................................................................................................................................... 237
Section 2F.02Sizes of Toll Road Signs.......................................................................................................... 237
Section 2F.03Use of Purple Backgrounds and Underlay Panels with ETC Account Pictographs................ 238
Section 2F.04Size of ETC Pictographs......................................................................................................... 238
Section 2F.05Regulatory Signs for Toll Plazas............................................................................................. 238
Section 2F.06Pay Toll Advance Warning Sign (W9-6)................................................................................240
Section 2F.07Pay Toll Advance Warning Plaque (W9-6P)........................................................................... 241
Section 2F.08Stop Ahead Pay Toll Warning Sign (W9-6a).......................................................................... 242
Section 2F.09Stop Ahead Pay Toll Warning Plaque (W9-6aP).................................................................... 242
Section 2F.10LAST EXIT BEFORE TOLL Warning Plaque (W16-16P).................................................... 242
Section 2F.11TOLL Auxiliary Sign (M4-15)............................................................................................... 242

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Section 2F.12Electronic Toll Collection (ETC) Account-Only Auxiliary Signs (M4-16 and M4-20).......... 243
Section 2F.13Toll Facility and Toll Plaza Guide Signs – General................................................................ 243
Section 2F.14Advance Signs for Conventional Toll Plazas........................................................................... 248
Section 2F.15Advance Signs for Toll Plazas on Diverging Alignments from Open-Road ETC
Account-Only Lanes............................................................................................................... 249
Section 2F.16Toll Plaza Canopy Signs.......................................................................................................... 252
Section 2F.17Guide Signs for Entrances to ETC Account-Only Facilities................................................... 252
Section 2F.18ETC Program Information Signs............................................................................................ 252
CHAPTER 2G.PREFERENTIAL AND MANAGED LANE SIGNS
Section 2G.01Scope....................................................................................................................................... 253
Section 2G.02Sizes of Preferential and Managed Lane Signs....................................................................... 253
Section 2G.03Regulatory Signs for Preferential Lanes – General................................................................. 253
Section 2G.04Preferential Lane Vehicle Occupancy Definition Regulatory Signs (R3-10 Series and
R3-13 Series)........................................................................................................................... 258
Section 2G.05Preferential Lane Periods of Operation Regulatory Signs (R3-11 Series and R3-14 Series).... 259
Section 2G.06Preferential Lane Advance Regulatory Signs (R3-12, R3-12e, R3-12f, R3-15, R3-15a,
and R3-15d)............................................................................................................................. 263
Section 2G.07Preferential Lane Ends Regulatory Signs (R3-12a, R3-12b, R3-12c, R3-12d, R3-12g,
R3-12h, R3-15b, R3-15c, and R3-15e)..................................................................................... 263
Section 2G.08Warning Signs on Median Barriers for Preferential Lanes..................................................... 263
Section 2G.09High-Occupancy Vehicle (HOV) Plaque (W16-11P).............................................................. 264
Section 2G.10Preferential Lane Guide Signs – General................................................................................ 265
Section 2G.11Guide Signs for Initial Entry Points to Preferential Lanes...................................................... 267
Section 2G.12Guide Signs for Intermediate Entry Points to Preferential Lanes........................................... 268
Section 2G.13Guide Signs for Egress from Preferential Lanes to General-Purpose Lanes.......................... 270
Section 2G.14Guide Signs for Direct Entrances to Preferential Lanes from Another Highway................... 273
Section 2G.15Guide Signs for Direct Exits from Preferential Lanes to Another Highway........................... 273
Section 2G.16Signs for Priced Managed Lanes – General............................................................................ 276
Section 2G.17Regulatory Signs for Priced Managed Lanes.......................................................................... 279
Section 2G.18Guide Signs for Priced Managed Lanes.................................................................................. 279
CHAPTER 2H.GENERAL INFORMATION SIGNS
Section 2H.01Sizes of General Information Signs........................................................................................ 292
Section 2H.02General Information Signs (I Series)...................................................................................... 292
Section 2H.03Traffic Signal Speed Sign (I1-1).............................................................................................. 294
Section 2H.04Miscellaneous Information Signs............................................................................................ 294
Section 2H.05Reference Location Signs (D10-1 through D10-3) and Intermediate Reference Location
Signs (D10-1a through D10-3a)............................................................................................... 294
Section 2H.06Enhanced Reference Location Signs (D10-4, D10-5).............................................................. 296
Section 2H.07Auto Tour Route Signs............................................................................................................ 297
Section 2H.08Acknowledgment Signs........................................................................................................... 297
CHAPTER 2I.GENERAL SERVICE SIGNS
Section 2I.01Sizes of General Service Signs............................................................................................... 299
Section 2I.02General Service Signs for Conventional Roads.......................................................................300
Section 2I.03General Service Signs for Freeways and Expressways........................................................... 303
Section 2I.04Interstate Oasis Signing.......................................................................................................... 306
Section 2I.05Rest Area and Other Roadside Area Signs.............................................................................. 307
Section 2I.06Brake Check Area Signs (D5-13 and D5-14).......................................................................... 308
Section 2I.07Chain-Up Area Signs (D5-15 and D5-16)............................................................................... 308
Section 2I.08Tourist Information and Welcome Center Signs..................................................................... 308

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