Speed of vehicles.

RCW 49.24.200
in effect
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No vehicle shall be operated underground at a speed greater than five miles an hour, while construction work is going on. No vehicle shall be operated underground at a speed greater than five miles an hour, while construction work is going on.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=49.24&full=trueFetched: 6/29/2026

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