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.
Section 3
Act 99 of 1911, § 3, under SUPPLEMENTING ACT, SECOND CLASS CITIES.
Act 99 of 1911, § 3