106-GUIDE_SHEET_-_General_Sidewalk_Ramp(s).pdf
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- Solicitation number
- CWB014279
- Issued by
- Fairfield County, Bridgeport City, Connecticut
About this file
This is a guide sheet document from the Connecticut Department of Transportation establishing standard specifications and design details for concrete sidewalk ramps and related pedestrian infrastructure. The guide sheet presents 32 different ramp types and configurations, addressing various site conditions including sidewalks separated from roadways, sidewalks abutting roadways, railroad crossings, driveway crossings, and pedestrian refuge islands. The specifications detail technical requirements for ramp construction, including maximum slope grades (8.33% for ramps, 2.0% for turning spaces), minimum dimensions (48-inch minimum widths and turning spaces, 60-inch by 60-inch turning spaces for constrained conditions), detectable warning surfaces, curbing requirements, and accessibility standards for wheelchair cross-slope criteria. The guide encompasses both perpendicular and parallel ramp configurations, grade break details, gutter counter slope specifications, and ramp warping details to ensure compliance with accessibility requirements.
The document serves as a technical reference standard for the design and construction of ADA-compliant pedestrian ramps throughout Connecticut municipalities. Each of the 32 ramp types is illustrated with detailed plan and section views, establishing consistent design protocols for engineers and contractors undertaking sidewalk, curb, and ramp projects. The guide sheet was last saved on October 30, 2024, by the Connecticut Department of Transportation's Engineering Services division and is intended for use across various towns and projects throughout the state. This standardized guidance directly supports municipal projects such as the City of Bridgeport's citywide sidewalk, curb, apron, and ADA ramp repair and replacement initiative, ensuring uniform accessibility standards and construction specifications across Connecticut.
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Text version
SPACE
TURNING
RAMP LENGTH
ROADWAY
WITH NONWALK AREA
TYPE 3 SIDEWALK SEPARATED FROM ROADWAY
TYPE 1 SIDEWALK ABUTS ROADWAY
WITH NONWALK AREA
TYPE 4 SIDEWALK SEPARATED FROM ROADWAY
TYPE 2 SIDEWALK ABUTS ROADWAY
CURBING
CONCRETE SIDEWALK
RAISED MEDIAN
CURBING
CURBING
RAILROAD CROSSING RAMPS
PEDESTRIAN REFUGE ISLAND(S)
TYPE 28 RAILROAD CROSSING WITH GATE
TYPE 27 RAILROAD CROSSING WITHOUT GATE
(NO CURBING)
EDGE OF ROAD
SINGLE DIRECTION PERPENDICULAR RAMP(S)
SLOPED CURBING INCLUDED WITH RAMP (TYP.)
CURBING
SLOPED CURBING INCLUDED WITH RAMP (TYP.)
WITH RAMP (TYP.)
SLOPED CURBING INCLUDED
NON-WALKING SURFACE
(REVEAL SHALL NOT EXCEED 12")
SIDEWALK CURBING (OPTIONAL)
PARALLEL RAMP(S)
PERPENDICULAR RAMP(S)
TYPE 13 TURNING SPACE WITH NON-WALKABLE SURFACE
TYPE 12 60" X 60" TURNING SPACE WITH NON-WALKABLE SURFACE
TYPE 11 60" X 60" TURNING SPACE WITH NON-WALKABLE SURFACE
TYPE 8 SINGLE RAMP TO TURNING SPACE CONSTRAINED ON ONE SIDE
BASIC RAMP ATTRIBUTES
- GRADE BREAK DETAILS
- GUTTER COUNTER SLOPE DETAILS
- RAMP WARPING DETAIL
- WHEELCHAIR CROSS-SLOPE CRITERIA
- SECTION VIEW OF TYPICAL RAMP
- PLAN VIEW OF RAMP COMPONENTS
TYPE 5 SIDEWALK ABUTS ROADWAY
RAMP RAMP
TURNING SPACE
NON-WALKING SURFACE
NON-WALKING SURFACE CURBING
SURFACE
NON-WALKING
CURBING
CURBING
(REVEAL NOT TO EXCEED 12")
SIDEWALK CURBING (OPTIONAL)
PERPENDICULAR RAMP(S)
SIDEWALK RAMP(S)
RESTRICTED PEDESTRIAN CROSSING
TYPE 19 COMBINATION SIDEWALK RAMPS
TYPE 18 EXAMPLE OF RAMP FLARE/CURB APPLICATIONS
OR MORE SIDES
TYPE 10b SINGLE RAMP CONSTRAINED ON TWO (2)
CONSTRAINED ON ONE SIDE
TYPE 10a SINGLE RAMP WITH TURNING SPACE
TYPE 9 TWO RAMP(S) APPROACH TO TURNING SPACE
TYPE 21 TWO RAMP(S) TO TURNING SPACE
TYPE 20 SINGLE RAMP FROM TURNING SPACE
RAMP (TYP.)
INCLUDED WITH
SLOPED CURBING
TYPE 26 REFUGE ISLAND WITH OFFSET ACCESS
TYPE 25 RIGHT TURN SLIP-LANE REFUGE ISLAND
TYPE 24 REFUGE ISLAND WITH ELEVATED LANDING
TYPE 23 ISLAND LESS THAN 6 FT WIDE
TYPE 22 ISLAND WIDTH 6 FT OR MORE
SPACE
TURNING
TURNING SPACE AT THE TOP
BLENDED RAMP WITH
WARNING SURFACE
DETECTABLE
DETECTABLE WARNING SURFACE
DETECTABLE WARNING SURFACE
DETECTABLE WARNING SURFACE
WARNING SURFACE
DETECTABLE
WARNING SURFACE
DETECTABLE
TYPE 17 RAMP WITH NO RETURN CURBING
TYPE 16 RAMP WITH RETURN CURBING
TYPE 15 TURNING SPACE GRADE BREAK 5 FT OR LESS
TYPE 14 TURNING SPACE GRADE BREAK GREATER THAN 5'
SURFACE
WARNING
DETECTABLE
RAMP RAMP
SPACE
TURNING
RAMP
DETECTABLE WARNING SURFACE
DETECTABLE WARNING SURFACE
CURBING
CURBING
SURFACE
NON-WALKING
SURFACE
NON-WALKING
DETECTABLE WARNING SURFACE
NON-WALKING SURFACE
TURNING SPACE
RAMP
(NO CURBING)
EDGE OF ROAD
SURFACE
NON-WALKING
TURNING SPACE
RAMP
RAMP
RAMP
TURNING SPACE
CURBING
TYP. RAMP RUNNING SLOPE 5.0% MAX.
TURNING SPACECURBING
NON-WALKING SURFACE
SPACE
TURNING
THAN 5' TO BACK OF CURB
BOTH GRADE BREAKS LESS
WARNING SURFACE
DETECTABLE
RAMP
WARNING SURFACE
DETECTABLE
CURBING
RAMP
TO BACK OF CURB
GREATER THAN 5'
EITHER GRADE BREAK
CURBING
NON-WALKING SURFACE
WARNING SURFACE
DETECTABLE
RAMP
RAMP
INCLUDED WITH RAMP (TYP.)
SLOPED CURBING
CROSSWALKCROSSWALK
NON-WALKING SURFACE
CURBING
DETECTABLE WARNING SURFACE
SPACE
MANEUVERING
SPACE
TURNING
RAMP
TYPE 7 NO TURNING SPACE OBSTRUCTION
TYPE 6 TURNING SPACE OBSTRUCTION PRESENT
STREET MANEUVERING SPACE
PERPENDICULAR RAMP(S) WITH
8.33% MAX.
7.1% TYP.
RAMP SLOPE
8.33% MAX.
7.1% TYP.
RAMP SLOPE
2.0% MAX.
1.5% TYP.
SPACE
TURNING
48" MIN.
WARNING SURFACE
DETECTABLE
WARNING SURFACE
DETECTABLE
CURBING
48" MIN.
DRIVEWAY(S)
TYPE 32 UNSIGNALIZED, NO STOP CONTROL OR YIELD DRIVEWAY CROSSING
WITH DETECTABLE WARNING SURFACE
TYPE 31 DRIVEWAY CROSSING SIGNALIZED, STOP CONTROL OR YIELD
WITH NON WALKING SURFACE
TYPE 30 UNSIGNALIZED, NO STOP CONTROL OR YIELD DRIVEWAY CROSSING
WARNING SURFACE AND NON WALKING SURFACE
TYPE 29 DRIVEWAY SIGNALIZED, STOP CONTROLLED OR YIELD WITH DETECTABLE
OF CURB OF 5' OR LESS
WITH GRADE BREAK TO BACK
TWO DIRECTIONAL PERPENDICULAR RAMP(S)
OF CURB GREATER THAN 5'
WITH GRADE BREAK TO BACK
TWO DIRECTIONAL PERPENDICULAR RAMP(S)
SPACE
TURNING
2.0% MAX.
1.5% TYP.
SPACE
TURNING
PROJECT TITLE: PROJECT NO.: DRAWING NO.:
SHEET NO.:
10/30/2024
SIGNATURE BLOCK: DRAWING TITLE:
TOWN(S):
VARIOUSTEST PROJECT
PLOTTED DATE:
C:\Users\KIlpatrickdj\State of Connecticut\DOT Engineering Services - Documents\HWY_STD_GUIDE_DWG\B - Going for signatures\Jan 2025 Stnd & Guide Shts\CTDOT_HIGHWAY_GD Jan 2025 [10-30-24].dgn FILE NAME: kilpatrickdj LASTED SAVED BY:
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D A
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IS
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DESIGNER/DRAFTER: CHECKED BY:
***INDEX SHEET***
CONCRETE SIDEWALK RAMP(S)
TRANSPORTATION
DEPARTMENT OF
CONNECTICUT
2.0% MAX.
1.5% TYP.
TURNING SPACE
48" MIN.
CURBING
END CURBING
CURBING
END CURBING
48" MIN.
2.0% MAX.
1.5% TYP.
TURNING SPACE
FLANGEWAY GAP
INCLUDED WITH RAMP
SLOPED CURBING (TYP.)
INCLUDED WITH RAMP
SLOPED CURBING (TYP.)
RAILROAD CROSSING SURFACE (TYP.)
ROADWAY
RAIL
SLOPE
SLOPE
RAIL
AS DIRECTED BY THE ENGINEER
HOT MIX ASPHALT (HMA)
AS DIRECTED BY THE ENGINEER
HOT MIX ASPHALT (HMA)
3' MIN.
2.0% MAX.
1.5% TYP.
2.0% MAX.
1.5% TYP.
2'
CENTERLINE OF TRACK
CENTERLINE OF TRACK
8.33% MAX.
7.1% TYP.
RAMP SLOPE
8.33% MAX.
7.1% TYP.
RAMP SLOPE
SURFACE (SEE NOTE 6)
DETECTABLE WARNING
SURFACE (SEE NOTE 6)
DETECTABLE WARNING
12' MIN. TO 15' MAX.
C R
O S S I N
GR
A
IL
R O
A D
(CROSSBUCK) SIGN
AND/OR GRADE CROSSING
FLASHING-LIGHT SIGNALS
File details come from the government source that posted it. Updated .