Driver's License Test Prep
Orange square with black border showing the word DETOUR in black capitals above a black left-turn arrow.
MUTCD
M4-9kL
Category
work zone
Color
orange
Shape
square
National · MUTCD Sign Reference

Detour Left

Detour route turns left here.

Directs traffic following the marked detour to turn left around a road closure or work zone. Drivers should change lanes early, signal, and expect heavier-than-normal turning movements at this corner because all detour traffic funnels through it.

In the same family

Related signs

Vertical red-and-orange panel. Red top half with white text NO STANDING ANYTIME and a white double-headed horizontal arrow. Bottom orange band with black hard-hat icon and TEMPORARY CONSTRUCTION REGULATION. Code SP-383B.
No Standing Anytime: Temporary Construction Regulation
Vertical red-and-orange panel. Red top half with white text NO STANDING ANYTIME and a white horizontal arrow pointing left. Bottom orange band with hard-hat icon and TEMPORARY CONSTRUCTION REGULATION text.
No Standing Anytime: Construction (Arrow Left)
Vertical red-and-orange panel. Red top half with white text NO STANDING ANYTIME and a white horizontal arrow pointing right. Bottom orange band with hard-hat icon and TEMPORARY CONSTRUCTION REGULATION text.
No Standing Anytime: Construction (Arrow Right)
Orange diamond with black border reading CHECK POINT AHEAD on three lines in black uppercase letters.
Check Point Ahead
Orange diamond with black border reading SOBRIETY CHECK POINT AHEAD on three lines in black uppercase letters.
Sobriety Check Point Ahead
Source

Wikimedia Commons: File:MUTCD-MI M4-9kL.svg (Public domain)

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