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SESK: Stuff Everyone Should Know · sesk.info/bike-door-law-driver

In Washington, who has the legal duty to make sure a car door opens safely into traffic?

The person opening the door.

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  1. The person opening the door ✔
  2. The bike rider passing by
  3. The city that painted the parking spot

Why: Washington law says nobody may open a car door on the traffic side until it is reasonably safe. Florida has a similar rule. Riders should still stay out of the door zone.

Huh, didn't know that: The same law says not to leave a door open on the traffic side longer than needed.

The dad joke
My car door wanted to swing out. I told it to wait its turn and get a grip on the handle.
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References

Answer: The person opening the door. Washington law says nobody may open a car door on the traffic side until it is reasonably safe. Florida has a similar rule. Riders should still stay out of the door zone.

  1. RCW 46.61.620 Opening and closing vehicle doors app.leg.wa.gov/rcw/default.aspx?cite=46.61.620
    open the door of a motor vehicle on the side adjacent to moving traffic unless and until it is reasonably safe
    Checked 2026-10-12.

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