US route marker (3 digits) road sign (MUTCD M1-4_(3_digits))
MUTCD M1-4_(3_digits)

US route marker (3 digits) Road Sign

What this sign means

The U.S. highway shield showing a three-digit number, marking a branch of the U.S. numbered highway system for drivers following the route.

Sign group
M1 series Route shields
MUTCD code
M1-4_(3_digits)
View all Route marker signs

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