Attachment 2 - Shoulder Closure 4402-M-FW-SHL.pdf
PDF 45 KB Posted
- Solicitation number
- RFP 591 260000002504 1
- Issued by
- Michigan
About this file
This is a technical diagram from the Michigan Department of Transportation dated May 2021, illustrating standard traffic control procedures for shoulder work on divided roadways or freeways during short-duration mobile maintenance operations. The document provides a detailed layout of the work area configuration, including the positioning of shoulders, traffic flow patterns, and the spacing requirements for safe roadwork execution. Key traffic control elements depicted include Road Work Ahead (W20-1) signs, lighted arrow panels in caution mode, rotating beacons or optional signage, a mounted attenuator, and a shadow vehicle with an appropriately marked maintenance and surveillance vehicle. The diagram specifies that either a rotating beacon or an optional W20-1 sign must be present to alert the public that work is being conducted in the area, and references standard notes from the 102-GEN-NOTES section along with specific signing standards (G1, G2, G3, G4) and maintenance and surveillance requirements (MS2, MS3, MS4, S1).
The diagram serves as a template for traffic management during shoulder maintenance work and does not contain information regarding pricing, contract terms, funding sources, or bidding procedures. This standard traffic control layout applies to the Michigan Department of Transportation's maintenance operations statewide and would be relevant to contractors performing shoulder work and catch basin cleaning operations in counties such as Allegan and Barry. The document is classified as "Not to Scale" and is identified by file number 4420-M-FW-SHL.dgn, indicating it is part of MDOT's standardized technical specifications for roadwork safety and traffic control.
View the file
Other files
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
NOT TO SCALE
DURATION:
FILE:
Michigan Department of Transportation
MAY 2021
SHOULDER WORK ON A
DIVIDED ROADWAY OR FREEWAY
DATE:
SHEET:
NO:
MAINTENANCE
SHORT-DURATION
MOBILE
MAINTAINING TRAFFIC
TYPICAL
4420-M-FW-SHL.dgn
4420-M-FW-SHL
S H
O U
L D
E R
S H
O U
L D
E R
(OPTIONAL)
S H
O U
L D
E R
S H
O U
L D
E R
KEY
NOTES
ROAD
WORK
AHEAD
W20-1
S
S MOUNTED ATTENUATOR
SHADOW VEHICLE WITH OPTIONAL TRUCK
TRAFFIC FLOW
LIGHTED ARROW PANEL (CAUTION MODE)
D R
O L L
A H
E A
D
S P
A C
E
W O
R K
R
E
V
R
IE
S
(CAUTION MODE)
LIGHTED ARROW PANEL
PUBLIC THAT WORK IS BEING DONE IN THE AREA.
ROTATING BEACON OR OPTIONAL W20-1 SIGNS TO INDICATE TO THE
THERE MUST BE EITHER AN APPROPRIATELY MARKED VEHICLE WITH A
MAINT & SURV:
SIGNING:
GENERAL:
MS2, MS3, MS4
S1
G1, G2, G3, G4
STANDARD NOTES
(SEE 102-GEN-NOTES)
File details come from the government source that posted it. Updated .