Transport design company STV will serve as the lead designer for the Massachusetts Bay Transportation Authority (MBTA)’s USD 1.3 billion Green Line Light Rail Extension (GLX), as part of the design-build joint venture made of Fluor Corporation, Middlesex Corporation, Herzog Contracting Corp., and Balfour Beatty (GLX Constructors).
Construction of the 7-km extension, which will provide the Massachusetts communities of Cambridge, Somerville and Medford with a direct link to downtown Boston, is expected to begin later this year, with revenue service starting in 2021.
In total, the project also includes the design and construction of a new vehicle maintenance facility, an administration building, a viaduct, six new stations, one relocated station, six bridges, and a community path. The stations will all be outfitted with amenities that meet or exceed Americans with Disabilities Act standards. The MBTA anticipates a daily ridership at the seven GLX stations of 45,000 passengers by 2030.
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