Unless specifically made applicable, the provisions of this chapter except Sections 32-5A-190, 32-5A-191 and evidence; procedure for valid chemical analyses; permits for individuals performing analyses; persons qualified to withdraw blood; presumptions based on percent of alcohol in blood; refusal to submit; no liability for technic” class=”unlinked-ref” datatype=”S” sessionyear=”2020″ statecd=”AL” title=”32″>32-5A-194 shall not apply to persons, teams, 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.