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Road Work Ahead sign

General warning of road work, obstructions or restrictions ahead. Work-zone warning signs are black on orange.

What to do

Slow down, stay alert, watch for workers and equipment and follow the signs and flaggers.

Slow down, put the phone away and expect lane shifts, stopped traffic and workers in the road.

STREET may replace ROAD and a distance may replace AHEAD.

Where it's used

Section 6H.03 says the ROAD (STREET) WORK (W20-1) sign, a general warning of obstructions or restrictions, should be placed in advance of the work space or detour on the road where the work is taking place, and on crossroads or major driveways that lead into the zone. Like other temporary traffic control warning signs it is a diamond with black letters on orange. STREET may replace ROAD, and the bottom line may read AHEAD, XX FEET or XX MILES.

Don't confuse it with

  • Road Work Next XX Miles: ROAD WORK NEXT XX MILES is a rectangular sign for long projects, while ROAD WORK AHEAD is the standard advance diamond.
  • End Road Work: END ROAD WORK marks the end of the work zone.
  • Workers: The Workers sign specifically warns that people are working in or near the road.
Road Work Ahead sign
Type
Work zone signs
Shape
Diamond
Colors
orange, black
MUTCD code
W20-1
MUTCD section
6H.03

On state permit tests

Our questions for 9 states ask about this sign, including Alaska, Georgia, Maryland, Minnesota and Nevada.

Test yourself

A sign reading 'Road Work 500 FT' tells you to: (Alaska practice test)

  • Speed up
  • Use the shoulder
  • Expect a detour in 5 miles
  • Adjust your driving for a construction area 500 feet ahead
Show answer

Adjust your driving for a construction area 500 feet ahead. Adjust driving for a construction area 500 feet ahead.

What color are construction and maintenance warning signs? (Georgia practice test)

  • Yellow with black
  • Orange with black markings
  • White with red
  • Green with white
Show answer

Orange with black markings. Construction and maintenance warning signs are orange with black markings.

More work zone signs

Road signs testAll road signs

From the Manual on Uniform Traffic Control Devices (MUTCD), 11th edition, section 6H.03. Sign image: public domain, source.