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Transit & Systems Projects

L.K. Comstock & Company (Greater New York metro area)

RailWorks Transit replaced damaged and deteriorated tie blocks on Tracks 1 and 2 in Long Island Rail Road's Atlantic Branch Tunnel.

L.K. Comstock led a joint venture to construct the track and systems for Phase I of New York City Transit’s Second Avenue Subway.

In this $119.3 million, 50-month project, RailWorks installed a modern, relay-based signal system and constructed track and enclosures for the new interlocking on the Culver Line between Ditmas Avenue and 4th Avenue stations.

In this $230 million subcontract, RailWorks upgraded two interlockings and installed communication-based train control (CBTC), power and communications systems to the existing, 9.4-mile Flushing Line from Times Square in Manhattan eastward to Main Street in Flushing, Queens.

RailWorks completed this $513.7 million project with joint venture partner Skanska USA to furnish and install systems and finishes on the subway extension from Times Square to W. 25th Street and 11th Avenue in Manhattan, N.Y.

L.K. Comstock and RailWorks Transit upgraded New York City Transit’s East 180th Street Yard. The new signal system and track infrastructure helps improve operating efficiency through the yard, reduce maintenance costs and improve overall customer service.

L.K. Comstock modernized the passenger information communication system on the 24 stations of NYCT’s Canarsie line.

L.K. Comstock completed the $2.3 million subcontract to install an electronic security system (ESS) for NYCT’s Chambers Street Station (CSSC) complex.

L.K. Comstock worked with equipment and technology providers Alcatel and Safetran to replace the existing and limited relay-based Bergen Street interlocking with NCYT’s first vital microprocessor-based interlocking.

L.K. Comstock served as the prime contractor for the $88-million project to restore full functionality to the Chambers Street interlocking and rehabilitate the connecting World Trade and Canal Street interlockings and associated control tower.

L.K. Comstock served as the prime contractor for this $73 million, four-year project to modernize Corona Yard, which is located in Flushing Meadows and serves the IRT Flushing Line of the New York City Subway.

RailWorks rebuilt and modernized Jamaica Station and constructed the AirTrain Terminal as part of the AirTrain project, a $1.9 billion automated people mover shuttle system to provide ground transportation to, from and around JFK International Airport.

L.K. Comstock installed the communications systems for train control and dispatch functions for the Automatic Train Supervision (ATS) project.

L.K. Comstock participated in a joint venture to install Communications Based Train Control (CBTC) technology on the Canarsie line, a 10-mile NYCT subway line connecting Brooklyn and Manhattan.

L.K. Comstock rehabilitated the signal system on New York City Transit’s No. 7 line, an essential rail link between eastern Queens and Manhattan, one of the busiest transit lines on the NYCT system.

The $162-million Grand Concourse project rehabilitated the signal and communications systems for the NYCT’s Grand Concourse Line, a key commuter line linking the Bronx with Manhattan.

L.K. Comstock National Transit (throughout North America, except Greater New York metro)

L.K. Comstock furnished and installed all the systems on Sound Transit's new University Link extension, which extends the existing Central Link light rail link north from downtown to the University of Washington.

RailWorks completed this $66 million joint-venture project with Granite Construction to construct a modern streetcar line in Tucson, Ariz.

L.K. Comstock National Transit provided design-build services to construct a new traction power substation (TPSS) in proximity to the existing Palmetto passenger station on Miami-Dade Metro.

RailWorks Track Systems served as the prime contractor for the $13.3 million project and was supported by first tier subcontractor L.K. Comstock National Transit. The U820 project expanded Sound Transit’s existing light rail storage yard and maintenance facilities. It was a fundamental next step in the plan to add a new northern light rail line by 2016.

RailWorks was part of a project management team to construct the new Automated People Mover (APM) system at Miami International Airport. The new system transports passengers between American Airlines' North Terminal gates, ticketing and baggage areas.

This LRT “new start” project featured an 11.6-mile light rail line linking downtown Minneapolis with the Minneapolis-St. Paul International Airport and the Mall of America.

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.

RailWorks was part of a project team to construct the Automated People Mover (APM) system at the international airport.

DART’s Green Line expansion is a $1.8 billion project that created a new, 28-mile light rail line in the northwest and southeast Dallas metro area. Comstock worked on a 13.65-mile portion of the northwest corridor (line sections NW2, NW3 and NW4) that connects downtown Dallas with Dallas Medical/Market Center, Love Field Airport and the cities of Farmers Branch and Carrollton.

L.K. Comstock installed the signal system on Sound Transit’s new 15.6-mile light rail line linking downtown Seattle and communities along the route with Sea-Tac Airport.

In early 2003 L.K. Comstock completed work on the 25-mile extension to the 44-mile light rail system serving Dallas, Garland, Richardson and Plano, Texas.

DART's $188 million Blue Line expansion added 4.5 miles to the light rail line to link the downtowns of Garland and Rowlett, Texas. RailWorks companies, L.K. Comstock and RailWorks Track Systems began work on the project in February 2009. The project concluded in December 2012.