Detour Left Arrow road sign (MUTCD M4-10L)
MUTCD M4-10L

Detour Left Arrow Road Sign

What this sign means

A detour marker with a left arrow, guiding drivers to turn left to follow the signed detour around a closed section of route.

Sign group
M4 series Route marker auxiliaries
MUTCD code
M4-10L
View all Route marker signs

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