"Semitrailer" includes every vehicle without motive power designed to be drawn by a vehicle, motor vehicle, or truck tractor and so constructed that an appreciable part of its weight and that of its load rests upon and is carried by such other vehicle, motor vehicle, or truck tractor.
RCW 46.04.530
Semitrailer.
Applied in 2 court decisions — leading case 33 Wash. App. 859 - State v. Tyson (1983)
Most recently applied in 98 F. Supp. 3d 1153 - Holy Ghost Revival Ministries v. City of Marysville (April 2015)
1979 ex.s. c 149 s 1; 1961 c 12 s 46.04.530
Official source: Washington State Legislature. Reproduced from public-domain Washington statutes; confirm against the official source for the current text. Not legal advice.