Upon the approach of an authorized emergency vehicle, every vehicle within one block of the route of such emergency vehicle shall immediately stop except at the time they are on or crossing a street intersection, and then stop. Every vehicle along the route of such emergency vehicle shall immediately move to a position as near the right-hand curb as possible and remain there until such authorized emergency vehicle or vehicles have passed; provided, that said vehicles are operated on official business and the drivers thereof make use of proper visual or audible signals.
(Neb. RS 60-6,151) (Prior Code, § 5-225)