67 Pa. Code § 15.3
(a) General. The following types of authorized vehicles may exercise the special privileges indicated when they are performing the type of work which is the basis of the vehicle’s designation as an authorized vehicle in § 15.2 (relating to types of authorized vehicles) and the special privileges can be executed in a reasonable and safe manner:
(3) Type II authorized vehicles registered or leased by or under contract to the Commonwealth or a political subdivision may exceed the following statutory weight restrictions when they are performing the type of work which is the basis of the vehicle’s designation as an authorized vehicle:
(4) An authorized vehicle may disregard the requirements of 75 Pa.C.S. § 4305 (relating to vehicular hazard signal lamps) when one of the following occur:
(b) Special privileges with lights. The following types of authorized vehicles may exercise the special privileges indicated when they are performing the type of work which is the basis of the vehicle’s designation as an authorized vehicle in § 15.2, if the flashing or revolving yellow lights or the red flashing lights on school buses are activated and the special privileges can be executed in a reasonable and safe manner:
(1) Types I and II authorized vehicles may:
(3) Type III authorized vehicles may stop, stand or park irrespective of official signs or 75 Pa.C.S. § § 101—9909 (relating to the vehicle code). In addition, if a garbage truck is equipped with special driving controls on the right side, the operator may:
(ii) Disregard the following requirements of 75 Pa.C.S. § 3701 (relating to unattended vehicles):
The provisions of this § 15.3 adopted March 17, 1978, effective March 18, 1978, 8 Pa.B. 759; amended May 25, 1984, effective May 26, 1984, 14 Pa.B. 1807; readopted April 21, 1989, effective April 22, 1989, 19 Pa.B. 1736. Immediately preceding text appears at serial pages (132804) and (90186) to (90187).
This section cited in 67 Pa. Code § 104.3 (relating to standards).