Community Path-1 — File 211894

City of Somerville MBTA GLX Community Path

MBTA - GLX - COMMUNITY PATH April 2021 SOMERVILLE COMMUNITY PATH - EXISTING AND EXTENDED Davis Square Porter Square High School Union Square Union Square Station East Somerville Station Lechmere Station Gilman Square Station Magoun Square Station EXISTING COMMUNITY PATH From Davis Square to Lowell Street ~ 0.7 miles EXTENDED (GLX) COMMUNITY PATH From Lowell Street to Cambridge Crossing ~ 1.9 miles GREEN LINE EXTENSION (GLX) TO CAMBRIDGE CROSSING

MBTA - GLX - COMMUNITY PATH April 2021 GLX COMMUNITY PATH - CROSS SECTION AND ACCESS POINTS (Note: vertical scale is exaggerated) COMMUNITY PATH - EXISTING AND EXTENDED Maintenance Only Opportunity for public access in future COMMUNITY PATH CROSSINGS/ACCESS Location Type Lowell St Connecting to existing Community Path and on/off street via access ramp and stairs Central St Access from street Sycamore Access from street School St Access from street, entrance off community path to Gilman Square Station Medford St Access from street, entrance off communtiy path to Gilman Square Station Walnut St Access from street Cross St Access from Chester with on-off access walk Washington St Access from Washington St sidewalk with on-off access walk, also entrance to East Somerville Station Poplar Maintenance access only Community Path Elevations • Vertical scale is exaggerated • Slope: 5% Maximum Path Access Viaduct/Bridge

MBTA - GLX - COMMUNITY PATH April 2021 GLX COMMUNITY PATH - TYPICAL STREET CROSSING CENTRAL/SYCAMORE/WALNUT STREET CROSSINGS Typical ADA curb ramps and crosswalk Community Path Community Path Railroad Corridor SYCAMORE ST MEDFORD STREET CROSSING Community Path Community Path Railroad Corridor SOMERVILLE HIGH SCHOOL MEDFORD STREET 4’-0” 4’-0” 3’-0” Flexposts 10’O.C. below the path Path crosses at street level Path crosses at street level below the path

MBTA - GLX - COMMUNITY PATH April 2021 GLX COMMUNITY PATH - TYPICAL PATH AND GREEN SPACE SECTION - SLOPED This cross section represents the condition between Lowell St and Walnut St; in a few short stretches path is only 12ft without adjacent planted areas. COMMUNITY PATH 10ft Width 12ft SMALL RETAINING WALL If needed to attain 2:1 slope RETAINING WALL Height varies GUARDRAIL 3ft Height CHAINLINK FENCE 6ft Height CHAINLINK FENCE 8ft Height RAILROAD CORRIDOR GREEN LINE ADJACENT PROPERTY PLANTED SLOPE Max Slope 2:1 Width Varies PLANTED SLOPE Max Slope 2:1 Width Varies GRAVEL 1ft Width GRAVEL 1ft Width

MBTA - GLX - COMMUNITY PATH April 2021 GLX COMMUNITY PATH - TYPICAL PATH AND FLAT GREEN SPACE SECTION Between McGrath and Brickbottom (begin of viaduct) COMMUNITY PATH 10ft Width GREEN LINE MBTA ACCESS ROAD 11ft Width (road only from Poplar St to begin of viaduct at Fitchburg St) 12ft GUARDRAIL 3ft Height CHAINLINK FENCE 6ft Height CHAINLINK FENCE 6ft Height ADJACENT PROPERTY PLANTED AREA Width Varies (in some areas path right next to back of building) GRAVEL 1ft Width GRAVEL 1ft Width