RCW 81.36.020: Right of entry.

A corporation organized for the construction of any railway, macadamized road, plank road, clay road, canal or bridge, shall have a right to enter upon any land, real estate or premises, or any of the lands granted to the state of Washington for school, university or other purposes, between the termini thereof, for the purpose of examining, locating and surveying the line of such road or canal, or the site of such bridge, doing no unnecessary damage thereby.