On December 28, 1985, the Arborway Line was indefinitely replaced by route 39 (Arborway–) bus service due to road construction on Huntington Avenue. This ended PCC streetcar service on the Green Line, though they remained in use on the Mattapan Line. LRV service was resumed to Brigham Circle on July 26, 1986; the downtown terminal was Lechmere on weekdays, and Government Center nights and weekends. On June 20, 1987, all Brigham Circle service was extended to Lechmere, with newer Type 7 LRVs replacing the Boeing LRVs. Heath Street service resumed on November 4, 1989, but route 39 buses continued to provide all service south of Heath Street. That December, route 39 was extended to Back Bay station to connect with the Orange Line; fares were reduced from subway to bus prices. From 2000 to 2017, buses used a loop - originally built for the Green Line, but never used by revenue trains - at .