Colorado T-REX Project (TRansportation EXpansion) - Infrastructure Benefits

Infrastructure Benefits

  • One additional lane in each direction on most sections; two additional lanes in most congested areas.
  • Reconstructed eight interchanges, most notably the I-25/I-225 interchange, which was ranked the 14th most congested interchange in the nation.
  • Complete reconstruction of "Narrows" (Broadway to Steele streets).
  • Replacement or rehabilitation of 18 bridges.
  • Acceleration and deceleration lanes throughout.
  • Shoulders widened where feasible.
  • Implementation of Transportation Demand Management (TDM) solutions which assist on-ramp timing
  • Intelligent Transportation Systems (ITS) which allowed ExpressToll, a form of electronic toll collection, to collect toll for single-person capacity usage while in the HOV lanes, a need identified by some HOV offenders
  • Major drainage upgrades.
  • Added 19 miles (31 km) of double-track light rail connecting to the existing system at Broadway in Denver and extending along the west side of I-25 to Lincoln Avenue in Douglas County and in the median of I-225 from I-25 to Parker Road in Aurora
  • 13 stations with Bus Transit available at 12 of the stations
  • 34 additional light rail vehicles were added to RTD's fleet
  • Construction of a new light rail maintenance facility in Englewood

On Interstate 25 Additional benefits to roadways were:

  • Add one through lane in each direction from Logan Street to I-225 (for a total of four lanes each way)
  • Add two through lanes in each direction from I-225 to the C470/E470 interchange (for a total of five lanes each way)

On Interstate 225 T-REX's Benefits were:

  • Addition of one through lane in each direction from Parker Road in Aurora to I-25 (for a total of three lanes each way)
  • Reconstructed and widened numerous bridges
  • Improved drainage
  • Enhanced safety
  • Add and improve shoulders
  • Improve ramps and acceleration/deceleration lanes

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