2010 Pennsylvania Code
Title 75 - VEHICLES
Chapter 35 - Special Vehicles and Pedestrians
3522 - Riding on motorcycles.

     § 3522.  Riding on motorcycles.
        (a)  Use of seat by operator and passengers.--A person
     operating a motorcycle shall ride only upon the permanent and
     regular seat attached to the motorcycle, and the operator shall
     not carry any other person nor shall any other person ride on a
     motorcycle unless the motorcycle is designed to carry more than
     one person, in which event a passenger may ride upon the
     permanent and regular seat if designed for two persons, or upon
     another seat firmly attached to the motorcycle at the rear or
     side of the operator. In no event shall a passenger sit in front
     of the operator of the motorcycle.
        (b)  Method of seating.--Unless in a sidecar, a person shall
     ride upon a motorcycle only while sitting astride the seat,
     facing forward, with one leg on each side of the motorcycle.
        (c)  Articles carried by operator.--No person shall operate a
     motorcycle while carrying any package, bundle or other article
     which prevents him from keeping both hands on the handlebars.
        (d)  Interference with operation.--No operator shall carry
     any person, nor shall any person ride, in a position that will
     interfere with the operation or control of the motorcycle or the
     view of the operator.