Driver's License Test Prep
Yellow diamond with black text reading VARIABLE SPEED ZONE AHEAD on three lines
MUTCD
W3-5b
Category
warning
Color
yellow
Shape
diamond
National · MUTCD Sign Reference

Variable Speed Zone Ahead

A variable speed-limit zone is ahead; the posted limit may change with conditions.

Warns of an upcoming corridor where the regulatory speed limit can change based on traffic, weather, or work-zone conditions. Watch downstream electronic speed-limit displays and adjust your speed to whatever value is currently shown.

In the same family

Related signs

Yellow diamond with black border containing a thick black arrow that travels up and bends ninety degrees to point left.
Turn Left
Yellow diamond with black border containing a thick black arrow that travels up and bends ninety degrees to point right.
Turn Right
Yellow diamond with black border containing a thick black arrow that sweeps in a smooth curve from lower right up to the upper left.
Curve Left
Yellow diamond with black border containing a thick black arrow that sweeps in a smooth curve from lower left up to the upper right.
Curve Right
Yellow diamond with black border showing a black curving arrow sweeping up and to the left, with the numerals 35 below it.
Curve Left With Advisory Speed
Source

Wikimedia Commons: File:MUTCD W3-5b.svg (Public domain)

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