on Hyde Park Avenue and Pine St.) In 1981, the former Route 31 bus route between Mattapan Square and Wolcott Square was consolidated with Route 32 at Cleary Square to become Route 32 Forest Hills–Wolcott Square. Route 50, which served Cleary Square and Forest Hills via Roslindale, was rerouted onto River St, Gordon Avenue, Summer St (inbound) and Austin St (outbound) to serve the Summer St Elderly Housing Area (aka Malone Elderly Housing). No changes to the route were proposed in the May and November 2022 network plans. 39 The 39 Forest Hills Station–Back Bay Station route is the replacement (described as "temporary" from 1985 until 2011) for Green Line E branch service from Heath Street to Arborway which has run since December 1985. Aside from paralleling the Green Line from Heath Street to Copley, there are connections to the Orange Line and commuter rail at both ends (and Amtrak at the latter). Route 39 was the first MBTA route to regularly use articulated buses, which were later introduced to several other routes (including the #28) in late 2005. , the 39 was the second most heavily used bus line in the city. The high ridership of the 39 was one motivation for expanding the Forest Hills station during the Casey Arborway overhaul. The May 2022 draft network plan proposed that route 39 be extended to via and , taking over portions of routes , , and . The portion from Longwood Avenue to Back Bay would be discontinued. The November 2022 draft network plan reverted route 39 to its existing routing, with a more frequent route 47 instead extended to Union Square. 57 The 57 Watertown Yard–Kenmore Station route passes through Boston, Newton and Watertown. It is the replacement for the Green Line A branch service which was discontinued in 1969. Route 57 was formerly one of the few routes that ran limited-stop service in the Boston city limits (no pickups were made on Commonwealth Avenue between Packard's Corner and Kenmore), but this practice was discontinued in December 2006. No changes to the route were proposed in the May and November 2022 network plans. 66 The 66 Harvard Square–Nubian Station route, formerly a trolley line, begins at Nubian Square in Roxbury, and crosses the Southwest Corridor Park at Roxbury Crossing. The route follows Route 39 and the Green Line E branch on a short segment from Brigham Circle to