STV selected to design Massachusetts rail extension

Transport design firm STV has been chosen as lead designer for the Massachusetts Bay Transportation Authority’s (MBTA’s) $1.3bn Green Line Light Rail Extension (GLX). MBTA expects the 4.3 mile expanded route to reduce up to 26,000 regional daily vehicle miles travelled, improving air quality and reducing congestion. Once completed, the increased line will provide commuters in Cambridge, Somerville and Medford with journeys to downtown Boston. Construction is expected to begin later this year, with the se
May 10, 2018 Read time: 1 min
Transport design firm STV has been chosen as lead designer for the 5200 Massachusetts Bay Transportation Authority’s (MBTA’s) $1.3bn Green Line Light Rail Extension (GLX). MBTA expects the 4.3 mile expanded route to reduce up to 26,000 regional daily vehicle miles travelled, improving air quality and reducing congestion.


Once completed, the increased line will provide commuters in Cambridge, Somerville and Medford with journeys to downtown Boston. Construction is expected to begin later this year, with the service open to the public from 2021.

Additionally, the project 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 project’s design-build team is led by GLX Constructors joint venture, which includes Fluor, The Middlesex Corporation, Herzog Contracting and 3902 Balfour Beatty.

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