Buses, trucks, commercial tractors, trailers, semitrailers and pole trailers, when operated upon any street, shall be equipped with clearance lights, marker lights, reflectors and stop lights as required by State regulations. Such equipment shall be lighted at all times mentioned in Section 337.02 except that clearance lights and side marker lights need not be lighted on a vehicle operated where there is sufficient light to reveal any person or substantial object on the street at a distance of 500 feet.