Speed hump sign

Warning signs

Speed hump sign

A raised hump in the road ahead. Slow down.

MUTCD designation W17-1. See the federal MUTCD, page 9.

How to read signs like this

Warning signs are usually yellow diamonds. They tell you about a hazard or change ahead (curves, intersections, merges, slippery roads) so you can slow down before you get there.

Practice question

  1. Road sign for this question

    What is ahead when you see this sign?

    • A A sudden dip in the road
    • B A railroad crossing that has a raised, humped profile
    • C A section of uneven lanes
    • D A raised hump built into the road to slow traffic
    Show answer

    D. A raised hump built into the road to slow traffic

    Speed humps are built on purpose to slow traffic, often on neighborhood streets. The sign usually has a speed plaque showing a safe speed to cross them. The words speed hump and speed bump mean the same thing on signs.

    Source: MUTCD 11th ed., page 213

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