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Showcase Projects
T-Rex I-25 Build
Denver, Colorado
Owner: |
Colorado DOT / RTD - Denver |
General Contractor: |
Southeast Corridor Constructors (Kiewit) |
Architect: |
HNTB |
Engineer: |
Parsons Transportation Group |
Construction Manager: |
TREX |
Project Duration: |
60 Months |
Project Description: |
Highway reconstruct with Light Rail |

- Add 19 miles 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.
- Build 13 stations with Park-n-Rides at 12 of the stations.
- Construct a new light rail maintenance facility in Englewood.
- 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)
- Reconstruct eight interchanges, including I-25/I-225.
- Reconstruct and widen numerous bridges.
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