County Route Marker Auxiliaries

MUTCD Standard: If county road authorities elect to establish and identify a special system of important country roads, a statewide policy for such signing shall be established that includes a uniform numbering system to uniquely identify each route. The County Route (M1-6) signs shall be a pentagon in shape and all County Route signs shall consist of a yellow county name, route number and border on a blue background.

MUTCD PART 2 - Chapter 2D.10 - 2D.33

Route Signs and Auxiliary Signs view pdf | view table 2D.1 Quick Reference: Sign Sizes for Roadway Type view chart