Webthe silver line is a system of bus routes in boston and chelsea, massachusetts, operated by the massachusetts bay transportation authority (mbta). Webin addition to the standard boston subway, commuter train, or city bus, the mbta offers a bus rapid transit system through its silver line. Webthe sl1 bus (logan airport) has 5 stops departing from south station and ending at now entering terminal b. Webmbta sl silver line stop list and next departures.
