. Electric railway review . absolutely pro-tected by high iron fences with concrete foundations. Theline is double-tracked save that a short section of the sub-way between the Schuylkill river and the public buildingshas been four-tracked, the outer tracks being givenover to the operation of through surface cars from West Philadelphia. The Subway Section. Starting from the temporary elevated and surface carterminal in the shade of the public buildings and the great running contact rail of the New York Central type, the woodcasing being painted a bright red to make it particularly conspicuous.
. Electric railway review . absolutely pro-tected by high iron fences with concrete foundations. Theline is double-tracked save that a short section of the sub-way between the Schuylkill river and the public buildingshas been four-tracked, the outer tracks being givenover to the operation of through surface cars from West Philadelphia. The Subway Section. Starting from the temporary elevated and surface carterminal in the shade of the public buildings and the great running contact rail of the New York Central type, the woodcasing being painted a bright red to make it particularly conspicuous. The Elevated Section. The elevated trains crossing the Schuylkill river risefrom sub-surface to over-surface on a three-span bridge, 563feet Id length and especially designed to meet its peculiarproblem—the bringing of the elevated tracks up a sharpgrade as well as bringing the surface trolley tracks up aneasier grade to the street surface level of West Philadelphia The elevated structure represents the best foreign prac-. Market Street Elevated, Philadelphia—Exterior View of Station at Thirty-second and Market Streets. Broad street station of the Pennsylvania Railroad, the four-track line traverses a subway with inside dimensions, 48 feet6 inches, by 14 feet 6 inches, the roof of which is supportedby three parallel rows of steel columns placed betweentracks and 5 feet apart on centers. Efficient ventilation isassured by means of stair openings in stations and ventilat-ing shafts, many of which have been attached to the long tice in the designing of such structures. Lattice girders havebeen universally used and an attempt made to make the roadboth pleasing and dignified. It rests upon concrete piers,pyramidical in shape. 8 feet square at their base. 2 feet 6inches square at the surface and reaching to a depth of from8 feet to 30 feet below the street level. Each is protected fromvehicular traffic by steel fenders. At the top of each pier
Size: 3189px × 784px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
