Detour sign
Work zone signs ยท MUTCD M4-10
What it means
The usual road is closed; follow the arrow on a different route.
How to recognize it
Orange rectangle with an arrow.
What drivers do
Follow the detour signs until you are back on your route.
Check yourself
What does a DETOUR sign mean?
Learning summary, not legal advice. Traffic laws vary by state โ check your state driver's handbook. Drawing: our own illustration of the standard MUTCD design.
Frequently asked questions
What does the Detour sign mean?
The usual road is closed; follow the arrow on a different route.
What should a driver do at a Detour sign?
Follow the detour signs until you are back on your route.
What does the Detour sign look like?
Orange rectangle with an arrow. It is a work zone sign (orange). MUTCD code M4-10.