Unless specifically made applicable, the provisions of this chapter, except those provisions relative to careless driving and to reckless driving, shall not apply to:
(1) Persons, teams of draft animals, motor vehicles, and other equipment while actually engaged in work upon the surface of a highway but shall apply to such persons and vehicles when traveling to or from such work; or
(2) Government employees and public utility employees to the extent that there would be a conflict between this chapter and the performance of their official duties.
State law reference--Similar provisions, R.R.S. 1943, 60-6,110 to 60-6,114.