SUPPLEMENTING ACT, SECOND CLASS CITIES
                  Act of Apr. 29, 1911, P.L. 105, No. 99              Cl. 11
                               A SUPPLEMENT

     To an act, entitled "An act for the government of cities of the
        second class," approved the seventh day of March, Anno Domini
        one thousand nine hundred and one; authorizing cities of the
        second class to enact ordinances regulating, in the interests
        of public safety, health, and convenience, the movement of
        pedestrian, animal, and vehicle traffic, of every kind, in
        streets, parks, bridges, squares, and public places.

        Section 1.  Be it enacted, &c., That in addition to the
     powers heretofore granted to cities of the second class, as
     provided for in the act entitled "An act for the government of
     cities of the second class," approved the seventh day of March,
     Anno Domini one thousand nine hundred and one, and the
     supplements thereto, every city of the second class, in its
     corporate capacity, is authorized and empowered to enact
     ordinances regulating, in the interests of public safety,
     health, and convenience, the movement of pedestrian, animal, and
     vehicular traffic, of every kind, in streets, parks, bridges,
     squares, and public places in such cities.
        Section 2.  Every city of the second class, in its corporate
     capacity, is authorized and empowered by ordinance:
        (a)  To designate certain streets as "one-way" streets, and
     on such streets, during any designated hours, vehicles shall
     move only in such direction as is specified.
        (b)  To close the whole or any part of any street or public
     highway to vehicular or animal traffic thereon, when such
     traffic becomes congested upon such street or public highway so
     as to interfere with, or become dangerous to, pedestrian travel
     thereon.
        Section 3.  The regulation of traffic in such cities of the
     second class, as provided for in this act, shall be vested in
     the Department of Public Safety of such cities: Provided, That
     the provisions of this act shall not apply to the operation of
     street cars on tracks heretofore authorized.