Trusted Local Auto

U.S. Road Signs

Warning, Construction & Information Signs

You see this sign as you drive along a street. What should you expect ahead?

A yellow diamond sign with a black border and a black fire truck that has a ladder on top.
  1. AEmergency vehicles may enter the road.
  2. BA fire hydrant is near the road, so you may not park.
  3. CThe road ahead is closed because of a fire.
  4. DA lane ahead is reserved for emergency vehicles.
Show the answer and the explanation

Correct answer: A. Emergency vehicles may enter the road.

Why

This yellow diamond with a fire truck warns that emergency vehicles, such as fire trucks from a nearby station, may enter the road ahead. Slow down and watch for them. If one comes out with lights and a siren, yield and let it go first, and do not stop where you block its way out. A yellow diamond with a plain truck is different: it warns of trucks that may enter or cross the road.

Why the other answers are not correct

  • B. Parking rules use regulatory signs; this yellow diamond warns of vehicles that enter the road.
  • C. A closed road uses a ROAD CLOSED sign; this sign stays up whether or not there is a fire.
  • D. Reserved lanes use regulatory signs and markings; this sign warns of vehicles that enter the road.

Verified against Manual on Uniform Traffic Control Devices for Streets and Highways, 11th Edition with Revision 1 · Section 2C.54 Vehicular Traffic Warning Signs (W8-6, W11-1, W11-5, W11-8, W11-10, W11-11, W11-12P, W11-14, W11-15, and W11-15a) · p. 232

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