Mason-Walsh-Atkinson-Kier Co. v. Case

Plaintiff was a contractor engaged in: construction work on the Grand Coulee dam. In the performance of its work, it used enormous trucks, specially designed and built for the particular job. The trucks were of such size and weight that they could not be lawfully licensed to operate upon the public highways. They were built in Seattle and moved to the site of the work under their own power, under special permission issued by the state highway engineer in accordance with § 10, chapter 309, Laws of 1927, p. 779. These permits directed that the trucks should proceed in caravans, over a…