Baldwin St. carhouse Columbus Ave. Trackwork Construction scene of elevated tracks with workers and equipment, next to an embankment Tracks with a building to the left Close-up of the end of a rail Close-up of a rail Close-up of a rail, lying across a track Close up of a length of rail with a smaller curved piece on top Street Street View looking down tracks with a metal guardrail on the left Close up of cracks along a cement wall Wall and building Wall Men shoveling snow on to snow conveyor in Copley Square, Boston, Mass. Saugus Branch East from Main St. crossing Saugus Branch, Faulkner Station Mass. Ave. subway entrance Salem St. heating plant Dark stone on street carved with "B AD 1823" Warren Bridge Tracks Medford St. Fence near Arlington Ave. George St. yard, foundations for rail bending shed George St. yard, foundations for rail bending shed Bridge St. Progress on street erection Washington St. and B+A tracks Ash St., near Oak, tearing down Tivoli Hotel So. side of Mass. Ave., west corner of Brookline St. Looking back from Fairfield St., along Back St. Longwood Ave. Progress at Kenmore Station Kenmore Station Adams Sq. Adams Sq. Progress View, Broadway St. 35-39 Court Street East side of W. Cedar St.from Revere to Philips St. Revere St. Lindall Place Broadway and Albany St. Broadway and Albany St. Boylston and Brookline Ave. Beacon St. and St. Mary's St. Bennington St. at Moore St. Longwood Ave. Relaying track at Boylston and Cypress Sts. Inbound landing at Beacon and St. Paul Sts., Green Line