Signs and Signals
Here's a list of select resources compiled by Minnesota LTAP.
Traffic Control Signal Design Manual
Minnesota Department of Transportation, 2018
The purpose of this manual is to present the fundamental concepts and standard practices related to the design of traffic control signal systems within the State of Minnesota.
Minnesota's Best Practices for Traffic Sign Maintenance/Management Handbook (5.9 MB PDF)
Minnesota Department of Transportation, Research Services Section, 2010, revised 2014
This guide is designed to assist agencies in their effort to better maintain the traffic signs on their system of roads and highways.
Traffic Sign Life Expectancy
MnDOT and LRRB, 2014
Minnesota Manual on Uniform Traffic Control Devices (MN MUTCD)
Revised in 2014
The “Minnesota Manual on Uniform Traffic Control Devices for Streets and Highways” (MN MUTCD) has been established to provide a uniform policy for all traffic control devices on all public streets, roads and highways within the State of Minnesota. It is based on the Federal MUTCD, and published by the Mn/DOT Office of Traffic, Security and Operations- Publications, which also publishes the Minnesota Flagging Manual, Temporary Traffic Control Zone Layouts Field Guide, and more.
The Maintenance of Signs and Sign Supports - A Guide for Local Highway and Street Maintenance Personnel Guidebook
Helps local agency maintenance workers ensure their agency's signs are maintained to meet the needs of the road user.
Signal Timing Manual
FHWA Office of Operations, 2008
The first comprehensive guide to current practices related to traffic signal timing. Property timed signals save gas by keeping traffic moving smoothly. All the elements of signal timing, from policy and funding considerations to timing plan development, assessment, and maintenance are covered. The manual is the culmination of research into practices across North America and serves as a reference for a range of practitioners, including traffic engineers, signal technicians, design engineers, teachers, and university students.
- Sign Life Expectancy Research Project (MnDOT, 2014, 1:43)
- Stop Signs: Why Do We Have Them on Residential Roads? (MnDOT and LRRB, 2012, 3:26)
These select websites, compiled by Minnesota LTAP, can help you find more information on this topic.
- Minnesota Local Road Research Board (Please go to the LRRB website and use the search tool to find resources about this topic.)
- MnDOT Signals
- MnDOT Signing
- FHWA Retroreflectivity & Visibility
- FHWA Arterial Management Program
These pre-constructed searches can help you find current resources on this topic.
The Minnesota LTAP Librarian can help you find and obtain LTAP and CTS publications and research, as well as transportation-related materials from other libraries and databases.
Please call 612-624-3646 or e-mail firstname.lastname@example.org.