Trusted Local Auto

U.S. Road Signs

Warning, Construction & Information Signs

You see this sign while you drive. What does it mean?

A yellow diamond sign with a black border and a black bicycle shown from the side.
  1. ABicycles are not allowed on the road from this point on.
  2. BBicyclists may enter or ride on the road ahead, so watch for them.
  3. CThe right lane ahead is for bicycles, and cars must stay out of it.
  4. DA route for bicyclists begins here, and the sign does not apply to drivers.
Show the answer and the explanation

Correct answer: B. Bicyclists may enter or ride on the road ahead, so watch for them.

Why

This yellow warning sign tells you that bicyclists may enter or ride on the road ahead, often where you would not expect them. Slow down, look for riders, and give them plenty of room when you pass. Bicyclists may use this road. A sign with a bicycle inside a red circle and slash is different: it means bicycles are not allowed.

Why the other answers are not correct

  • A. Wrong: a sign that bans bicycles shows a bicycle in a red circle with a slash; this yellow sign warns of bicyclists.
  • C. Wrong: a bike lane is shown by white regulatory signs and lane markings; this yellow sign is a warning.
  • D. Wrong: a bicycle route is shown by a guide sign; this yellow warning sign is for all road users, drivers included.

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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