MetroLink Cross Country Extension
RailWorks constructed the track infrastructure along the 34-mile light rail extension.
- Constructed 16 miles of track
- Installed traction power system
- Installed communications and signaling systems
St. Louis, MO
Customer
Metro, the governing transportation authority for the Greater St. Louis region
RailWorks Business Unit
RailWorks Track Systems
L.K. Comstock & Co.
Description
The $676 million Cross County extension added eight miles to St. Louis’ 34.4-mile light rail system. Noted as one of the largest public works projects in St. Louis history, the extension included redesigning a major station, adding nine new stations as well as tunnels, bridges, retaining walls, grading and drainage along the line.
Scope
L.K. Comstock & Co. served as the prime contactor and was responsible for the following work:
- RailWorks Track Services provided track construction services – a total of 16 track miles – valued at $23 million. Track construction included 12 miles of ballasted track on concrete ties, 4 miles of direct fixation track in tunnels, 2 115# DF crossovers, 8 115# crossovers, 4 132# crossovers, and 4 132# turnouts.
- L.K. Comstock installed all the traction power, communications and signaling work for the entire project, totaling $78 million.
Other participants
Prime contractor: L.K. Comstock & Co.
Architect/Engineer: HNTB
