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The Caltrain Modernization Program (CalMod), sometimes referred to as the Caltrain Electrification Project, was a $2.44 billion project which added a positive train control (PTC) system and electrified the main line of the U.S. commuter railroad Caltrain, which serves cities in the San Francisco Peninsula and Silicon Valley.
Third-rail electrification systems are, apart from on-board batteries, the oldest means of supplying electric power to trains on railways using their own corridors, particularly in cities. Overhead power supply was initially almost exclusively used on tramway-like railways, though it also appeared slowly on mainline systems.
Caltrain (reporting mark JPBX) is a commuter rail line in California, serving the San Francisco Peninsula and Santa Clara Valley (Silicon Valley). The southern terminus is in San Jose at the Tamien station with weekday rush hour service running as far as Gilroy. The northern terminus of the line is in San Francisco at 4th and King Street ...
Newly installed catenary structures at Caltrain's San Bruno station, July 2018. The Caltrain Modernization Program (CalMod) was a $2.44 billion project that electrified the railroad's main line, which serves cities in the San Francisco Peninsula and Silicon Valley.
Converted in 1978 from Pennsylvania Railroad 11 kV 25 Hz system to the 12.5 kV 25 Hz on the Rahway-Matawan ROW and 12.5 kV 60 Hz electrification extended to Long Branch in 1988. The Matawan-Long Branch voltage converted from 12.5 kV 60 Hz system to the 25 kV 60 Hz in 2002.
Stadler KISS electric trainset operated by Caltrain after electrification A diagram of the Link US project in Los Angeles Union Station, showing the location of planned high-speed rail platforms. Concurrently with Central Valley construction, the Authority has worked with other California transportation agencies and rail operators to prepare ...
The wiring in most countries is too low to allow double stack container trains. The Channel Tunnel has an extended height overhead line to accommodate double-height car and truck transporters. China and India operate lines electrified with extra height wiring and pantographs to allow for double stack container trains. [14] [15] [16]
A catenary pole of the system. Catenary wires and contact wires are tensioned by individual tension balancers. The basic system unit is an elementary electrical section consisting of a segment of one or more parallel tracks, each with a contiguous contact (or catenary or trolley) wire for the locomotive pantograph and an electrically separate feed wire.