. Electric railway journal . ower. United Railways & Electric Com-pany. After passing interlocking territory the electric carsproceed to the prepayment area, discharge their pas-sengers and proceed around the loop. Most of the carsthat run to the shipyards, after completing their morn-ing work, are stored on the inbound track during theday, a shuttle car being operated on the outbound trackfrom about 9:30 to 2 and a two-car train shuttle from2 to 4. The latter is necessary on account of the com-ing of the men to work for the afternoon shift. Thisshuttle connects at the interlocking tower with
. Electric railway journal . ower. United Railways & Electric Com-pany. After passing interlocking territory the electric carsproceed to the prepayment area, discharge their pas-sengers and proceed around the loop. Most of the carsthat run to the shipyards, after completing their morn-ing work, are stored on the inbound track during theday, a shuttle car being operated on the outbound trackfrom about 9:30 to 2 and a two-car train shuttle from2 to 4. The latter is necessary on account of the com-ing of the men to work for the afternoon shift. Thisshuttle connects at the interlocking tower with themain-line service. There is more or less casual travelbetween the shipyard office and the city, which makesit imperative to provide this shuttle service duringthe hours when the demands for traffic do not necessi-tate through service. A representative of the trans-portation department is located at the shipyard all dayand has supervision of the operation and storing ofcars. During the day a representative of the shops. AT LEFT, SIGNAL TOWER AT CROSSING OF MAIN TRACK OF P. R. R. AND DOUBLE TRACK OF U. R. & E. RIGHT, INTERLOCKING MACHINE IN SIGNAL TOWER display four lights of yellowish tinge in a horizontalline for stop and four in a vertical line for position dwarf signals have two lights horizontalfor stop and two at 45 deg. for proceed. All track-circuit apparatus is of the Union Switch &Signal Companys manufacture, with latest model 15vane-type relays. Compressed air is distributed by 1-in. galvanizedpipe and wires in grooved lumber, both mounted onsame concrete foundations placed every 7 ft. Power for the air compressors is supplied from theU. R. & E. Companys 600-volt feeders and the alter-nating current for signals, switch valves and trackcircuits is secured from the 2200-volt, 25-cycle mainsused in the U. R. & E. Companys signal system, steppeddown to 110 volts. The plant was designed and installed by the UnionSwitch & Signal Company in accordance wit
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