(a) No driver of any vehicle, other than on official business, shall follow any fire apparatus traveling in response to a fire alarm closer than 500 feet or drive into or park such vehicle within 500 feet where fire apparatus has stopped in answer to a fire alarm. No person shall be deemed to have violated this subsection with regard to parking if the act of parking was done prior to the giving of alarm of such fire.
(b) No person shall drive any vehicle over any line of hose which has been laid for the purpose of extinguishing a fire without the consent of the fire department official in command.
(c) Whoever violates this section shall be fined not less than $28.75 nor more than $115.