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In Idaho and Oregon, how far before a turn should a bike rider start signaling?

At least 100 feet before the turn.

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  1. About 10 feet
  2. At least 100 feet ✔
  3. Half a mile

Why: Idaho and Oregon say to signal during the last 100 feet before turning, about the length of six cars. If you need both hands to control the bike, you may stop signaling.

Huh, didn't know that: Washington says only that the signal comes before you start the turn.

The dad joke
I signaled for 100 feet. My arm said it was a real stretch.
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References

Answer: At least 100 feet. Idaho and Oregon say to signal during the last 100 feet before turning, about the length of six cars. If you need both hands to control the bike, you may stop signaling.

  1. Idaho Code 49-720: Stopping, turn and stop signals legislature.idaho.gov/statutesrules/idstat/Title49/T49CH7/SECT49-720
    shall be given during not less than the last one hundred (100) feet traveled by the bicycle before turning
    Checked 2026-10-12.
  2. Oregon Revised Statutes 814.440: Failure to signal turn www.oregonlegislature.gov/bills_laws/ors/ors814.html
    appropriate hand and arm signal for the turn for at least 100 feet before executing the turn
    Checked 2026-10-12.

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