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US Route: What It Means & What To Do

US Route (M1-4) - shield black and white route sign: This road is a US highway
MUTCD CodeM1-4
CategoryRoute Markers
ShapeShield
ColorBlack and white

What Does the US Route Mean?

This road is a US highway. The number identifies the specific route.

About This Sign

US Route markers are black and white shield-shaped signs identifying federal highways that predate the Interstate system.

Other Route Markers

Interstate Shield (M1-1) - shield red, white, and blue route sign: This road is part of the Interstate Highway System

Interstate Shield

M1-1

State Route (M1-5) - varies by state varies by state route sign: This road is a state highway

State Route

M1-5

County Route (M1-6) - pentagon blue with white route sign: This road is a county road

County Route

M1-6

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US Route - DMV Road Sign Meaning & Test Guide | DMV IQ