Pennsylvania Statutes Title 75 Pa.C.S.A. Vehicles § 4572.1. Flashing or revolving yellow and white lights

(a) General rule.--Tow trucks may be equipped with one or more flashing or revolving yellow lights and one or more flashing or revolving white lights. The manner in which the light or lights shall be displayed shall be determined by regulation of the department.

(b) Limitations.--The flashing or revolving yellow and white lights on tow trucks shall be activated only when the vehicle is actively performing the type of work which is the basis of the designation of the vehicle as an authorized vehicle or is within the vicinity of an emergency response area. Tow trucks shall not operate with activated flashing or revolving yellow and white lights when:

(c) Penalty.--Unauthorized use of the lights specified in this subsection shall be a summary offense punishable by a fine of $50.