Montana Department of Transportation

Malcolm “Mack” Long, Director


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Montana Department of Transportation


Sign Catalog

MDT's Sign Catalog functions as a supplement to the Federal Highway Administration's Manual on Uniform Traffic Control Devices (MUTCD). Most of the signs in this catalog can be found in the MUTCD, which specifies the application and location of each sign. Signs unique to Montana are marked with an asterisk.

View the Sign Catalog

For questions about the sign catalog, please contact in our Maintenance Division.