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Yellow diamond sign with a black bicycle symbol

Bicycle sign

W11-1 warns that bicyclists may be on or crossing the road ahead.

MUTCD code W11-1 · Warning sign · Source: MUTCD 11th Edition, Section 2C.54

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What does this sign warn you about?

Yellow diamond sign with a black bicycle symbol
  • A bike shop or rental is nearby
  • Bicyclists may be on the road ahead
  • Bicycles are banned from this road
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Bicyclists may be on the road ahead

Slow down and watch for bicyclists, and leave plenty of room when you pass.

Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2C.54; Arizona Driver License Manual and Customer Service Guide, Section 3, Roadway and Vehicle Knowledge: Diamond, warning signs (p. 41); Section 4, Sharing the Road with a Bicyclist (p. 50); Tennessee Comprehensive Driver License Manual, Section B, Chapter 3, Traffic Signs and Signals: Warning Signs - Diamond Shape (p. 38)

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DMV Decoded is an independent guide, not a government agency. Check your state's driver handbook for the signs on its test.