Tow dolly.

RCW 46.04.588
in effect
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"Tow dolly" means a trailer equipped with between one and three axles designed to connect to a tow bar on the rear of a motor vehicle that is used to tow another vehicle. The front or rear wheels of the towed vehicle are secured to and rest on the tow dolly. "Tow dolly" means a trailer equipped with between one and three axles designed to connect to a tow bar on the rear of a motor vehicle that is used to tow another vehicle. The front or rear wheels of the towed vehicle are secured to and rest on the tow dolly.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=46.04&full=trueFetched: 6/29/2026

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