the provisions of this chapter except those contained in RCW 46.61.500 through 46.61.520 shall not apply to persons, motor vehicles and other equipment while engaged in work within the right-of-way of any highway but shall apply to such persons and vehicles when traveling to or from such work.[1969 c 76 ?? 1; 1965 ex.s. c 155 ?? 5.] 46.61.035Authorized emergency vehicles.(1) The driver of an auth