Minnesota Department of Transportation

511 Travel Info

Approved/Qualified Products


Signing products usage guidelines

MnDOT policy requires that the usage of these devices adhere to all the standards and guidelines as per the Minnesota Manual on Uniform Traffic Control Devices (MN MUTCD) Part 2 and Part 6 and the Minnesota Field Manual. The quality of these devices must be maintained at marginal or better conditions as defined in the MnDOT Quality Standards (PDF) or the devices must be removed from service. Read more about the various types of retro-reflective sheeting available (PDF) and how to identify the types by manufacturer.


Ethan Peterson
Traffic Engineering