Green Line Extension groundbreaking by the numbers
Planning for the Green Line Extension to Somerville and Medford – a legal obligation of the Commonwealth since 1991 – began in earnest on June 3, 2004, with the first meeting of the Beyond Lechmere Northwest Corridor Study Advisory Committee.
As ground is broken today on the project, here are some numbers to put the milestone in perspective:
3,113: Number of days of planning the extension since the first meeting of the Beyond Lechmere study committee (8 years, 6 months, 8 days)
6: Number of Secretaries of Transportation since planning began (Dan Grabauskas, John Cogliano, Bernard Cohen, James Aloisi, Jeffrey Mullan, Richard Davey)
8: Number of major project studies (Beyond Lechmere, Expanded Environmental Notification Form, Draft Environmental Impact Report, Final Environmental Impact Report, Historical and Architectural Resource Study, Support Facility Alternatives Analysis, Environmental Assessment, Mystic Valley Parkway Community Visioning Study)
9: Number of bidders for Phase I construction contract (widening the rail bridges over Harvard Street in Medford and over Medford Street in Somerville, and demolishing the MBTA building at 21 Water Street in Cambridge)
$12.9 million: Low bid for Phase I construction (by Barletta Heavy Division)
$15.3 million: MBTA engineer’s pre-bid estimate on Phase I construction cost
$700 million: Total cost of Green Line Extension construction
$1.115 billion: Total cost of Green Line Extension project
7,500: Projected number of new MBTA riders due to the Green Line Extension
12,700: Total linear feet of noise barriers to be installed (2.4 miles)
25,018: Projected daily reduction in Vehicle Miles Traveled due to auto trips converted to transit
49,000: Projected daily ridership at new Green Line Stations by 2030
24: Number of new Green Line cars being procured
100: Percent of stations that will offer universal access and exceed ADA standards
0: Number of homes needed to be acquired for extension
2016: Scheduled opening year for Lechmere, Union Square and Washington Street stations
2019: Scheduled opening year for Gilman Square, Lowell Street, Ball Square and College Avenue stations
###???: Opening year for Mystic Valley Parkway Station
- Ken Krause, Medford Green Line Neighborhood Alliance