Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 23118. To regulate railway bridges, crossings, safety-gates and flagmen

To provide for and require the construction and maintenance of bridges or other crossings over or under railroad tracks, and to enter into contracts with railroad companies for the construction and maintenance of the same;  to require the erection of safety-gates, and the placing of flagmen at the intersection of railroads with public streets;  to forbid the obstruction of the said crossings by locomotives or railroad cars, and also to make reasonable regulations concerning the rate of speed at which locomotives, cars or trains shall pass upon or across the streets within the built-up portions of the city.