2010 Pennsylvania Code
Title 75 - VEHICLES
Chapter 33 - Rules of the Road in General
3335 - Signals by hand and arm or signal lamps.

     § 3335.  Signals by hand and arm or signal lamps.
        (a)  General rule.--Any stop or turn signal shall be given
     either by means of the hand and arm or by signal lamps, except
     as otherwise provided in subsection (b).
        (b)  Required signals by signal lamps.--Any motor vehicle in
     use on a highway shall be equipped with, and required signal
     shall be given by, signal lamps when the distance from the
     center of the top of the steering post to the left outside limit
     of the body, cab or load of the motor vehicle exceeds 24 inches,
     or when the distance from the center of the top of the steering
     post to the rear limit of the body or load exceeds 14 feet. The
     latter measurement shall apply to any single vehicle and to any
     combination of vehicles.
        (c)  Exception.--This section does not apply to a motor
     vehicle registered as an antique or classic vehicle which was
     not originally equipped with signal lamps.

        Cross References.  Section 3335 is referred to in section
     3334 of this title.