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Siemens SD-100 Units

Siemens SD-100

First introduced in 1994 with just 11 vehicles, RTD has 49 SD-100 light rail vehicles as part of a total fleet of 201 units. Built in Florin, California, by Siemens, the SD-100 units feature folding doors and are numbered in the 1xx series. SD-100 units can be found operating operating all over the RTD light rail system, which compromises the D, E, H, L, R and W lines. Generally the SD-100 units are not run in multiple with the newer SD-160 units.

SD-100 Facts

  • Number of Units: 49
  • Fleet Numbers: 101-149
  • Length: (81 ft 4+38 in (24.80 m)
  • Width: 8 ft 8+38 in (2.65 m)
  • Height: 12 ft 4+78 in (3.78 m)
  • Top Speed: 55mph
  • Weight: 89,000 lb (40,370 kg)
  • Electric System: 750 V DC

Interior and Seating

RTD’s Siemens ‘SD-100’ light rail units feature ‘Knee to Knee’ seating. Following a lawsuit brought by the Colorado Cross-Disability Coalition, RTD agreed in 2017 to provide two ADA spots at each end of every light rail unit; for trains already in service, this was achieved by removing eight seats (16 per unit).

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