A. The provisions of this Title are applicable to the drivers of all vehicles owned or operated by the United States, the State or any county, city, town, district or any other political subdivision, subject to such specific exceptions as are set forth in this Title with reference to authorized emergency vehicles.
B. The provisions of this Title shall not apply to persons, teams, motor vehicles and other equipment while actually engaged in work upon the surface of a street or highway but shall apply to such persons and vehicles when traveling to or from such work. (1973 Code §11.04.040)