Traffic Manual

Publication Number
M 51-02
Publication Version
M 51-02.10
Publication Date
Manual Manager
Mike Dornfield
Traffic Operations, Engineering and Regional Operations Division


    The Traffic Manual is a guide for department personnel in traffic operations and design. It does not establish absolute standards but establishes uniform guidelines and procedures for the use of traffic control devices.

    May 2021 M 51-02.10 revision package (PDF 18.3MB)

    Individual Chapters

    Foreword (PDF 195KB)
    Contents (PDF 233KB)

    Chapter 1 General Information (PDF 394KB)
    Chapter 2 Signs (PDF 870KB)
    Chapter 3 Delineation and Markings (PDF 313KB)
    Chapter 4 Multimodal Planning, Design, and Operational Considerations (PDF 156KB)
    Chapter 5 Work Zone Traffic Control (PDF 3.3MB)
    Chapter 6 Traffic Regulations (PDF 595KB)
    Chapter 7 Specialized Highway Uses (PDF 1.7MB)
    Chapter 8 Highway Advertising Control (PDF 1.2MB)
    Chapter 9 Traffic Planning, Safety, Operations, and Design (PDF 340KB)
    Chapter 10 Intersection Control Evaluation (PDF 365KB)
    Chapter 11 Traffic Engineering Records Management (PDF 463KB)
    Chapter 12 Multimodal Traffic Impact Analysis Guidelines (PDF 174KB)

    Revision History

    May 2021

    November 2018

    July 2015

    December 2011


    April 2011

    April 2010

    October 2009

    May 2009

    August 2008

    January 2005

    March 2002

    November 1996

    Traction tires are a special type of tire

    manufactured with at least 1/8 of an inch tread. Traction tires are usually marked with a mountain/snowflake symbol, the letters M+S or “All Season.”

    Carry chains, practice before leaving

    Requiring chains keeps traffic moving during storms rather than closing a pass or roadway.

    Prep your car. Fill up your gas tank,

    pack jumper cables, ice scraper, warm clothing, snacks and water.