(A) (1) The driver of a vehicle about to enter or cross a public highway or street from a private road or driveway, or alley, shall yield the right-of-way to all vehicles approaching on such public highway or street.
(2) The driver of a vehicle upon a highway or street shall yield the right-of-way to Police and Fire Department vehicles, when the latter are operated upon official business and ambulances, and the drivers thereof sound audible signal by bell, siren, or exhaust whistle.
(B) The provisions above shall not operate to relieve the driver of a Police Department vehicle, Fire Department vehicle, or ambulance from the duty to drive with due regard for the safety of all persons using the highway, nor shall it protect the driver of any such vehicle from the consequence of an arbitrary exercise of such right-of-way.
(C) Highway or street maintainers in the performance of their duties of maintaining the highway shall have the preference of right-of-way, and shall be permitted to drive upon the left-hand side of the traveled portion of the highway or street, for the purpose of dumping materials, for repairing said highway or street, and also for smoothing the road surface, such highway or street maintainer shall not indiscriminately block the traffic, but shall allow reasonable room on the traveled portion of the highway for other vehicles to pass; such highway or street maintainer shall not, however, be bound by the rules herein provided to turn to the right when meeting other vehicle or allowing them to pass when his or her work requires him or her to remain on the other side of the traveled portion of the highway, such maintainer shall not in any way interfere with the traffic on said highway unless absolutely necessary, and he or she shall take all proper precautions to provide for the safety and protection of the users of such a highway, including proper warning of such repair or maintenance work; such maintainers, however, shall be subject to the rules of travel as herein provided, except when the performance of their maintenance work requires them to do otherwise.
(Prior Code, § 71.12) Penalty, see § 70.999