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Michigan DOT Traffic and Safety
Michigan DOT sent this bulletin at 01/18/2024 09:43 AM EST|
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You are subscribed to Traffic and Safety for Michigan DOT. This information has recently been updated and is now available.
The following updates were made to the MDOT Traffic and Safety web site under Traffic Signing Standards located at: MDOT - Transportation Standards and Special Details (state.mi.us). These changes go into effect for the May 2024 letting.
January 2024:
Traffic Signing Standards
The Michigan Department of Transportation (MDOT) is transmitting electronically one print of each of the subject standard plans for your review and approval. These revisions are a result of the Final Rule to Amend Title 23 Code of Federal Regulation Part 625; effective February 2, 2022. MDOT has amended the subject standard plans to meet the AASHTO LRFD Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals, 1st Edition, 2015, with 2017, 2018, 2019 and 2020 Interim Revisions. Revisions noted below indicating a change in size are primarily due to the design methodology change. Additional changes not specifically detailed below include updating font, dimension notations, and general notes for consistency with updated CADD standards. Details of the changes can be found in Change List for Sign Support Standard Plans.