Driver's License Test Prep
Orange diamond with three lines of black text reading ROAD WORK 300 m.
MUTCD
CW20-1
Category
work zone
Color
orange
Shape
diamond
National · MUTCD Sign Reference

Road Work Ahead (Metric)

Active road work begins 300 meters ahead.

Active construction or maintenance work is underway 300 meters ahead. Reduce speed, expect lane shifts, narrowed lanes, or stopped traffic, and be alert for workers and equipment along or in the roadway.

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Source

Wikimedia Commons: File:MUTCD CW20-1 METRIC.svg (Public domain)

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