List of MBTA bus routes#411–465

File:MBTA New Flyer XDE60 1315 at South Station, March 2023.jpg

The Silver Line is a six-route bus rapid transit system marketed as rapid transit. It is divided into two branches: Waterfront service (SL1, SL2, SL3, and the rush-hour SLW shuttle) that runs through the South Boston Transitway tunnel, and Washington Street service (SL4 and SL5) that runs on the surface via Washington Street. The Waterfront service costs the same as a subway fare, while the Washington Street service costs a regular bus fare. All Silver Line routes use articulated {{convert|60|foot|adj=on}} buses; the Waterfront routes use hybrid buses with extended battery range for electric operation in the tunnel.

The SL5 route was created in 2002 as a replacement for the Washington Street Elevated. The Shuttle route began operations in 2004, followed by the SL2 and SL3 (former) in 2004 and SL1 in 2005 when dual-mode buses became available. The SL4 was introduced in 2009 as a replacement for the canceled Phase III tunnel. A new SL3 route to Chelsea opened in 2018.

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The two crosstown (CT) routes provide limited-stop service on two routes that connect major subway and bus transfer points. Three crosstown routes were created by the MBTA in 1994; route CT1 was merged with route 1 in 2019.

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File:MBTA route 1 bus south of Lafayette Square, July 2021.jpg]]

File:MBTA route 7 bus on Summer Street bridge, June 2017.JPG

File:MBTA route 29 bus at Walnut Avenue stop, September 2021.jpg in Roxbury, Boston]]

File:MBTA route 34E bus in Walpole, June 2017.jpg]]

File:MBTA route 39 bus on Centre Street, April 2017.JPG]]

File:MBTA route 60 bus at Kenmore station, September 2018.jpg]]

File:MBTA route 75 bus northbound in the Harvard Bus Tunnel, March 2022.JPG]]

File:MBTA route 96 bus on College Avenue, June 2015.JPG]]

File:MBTA Bus 101.jpg

File:MBTA route 111 bus at Bellingham Square station, July 2021.jpg

These routes provide almost all local service in the core of the metropolitan area; most were originally Boston Elevated Railway streetcar routes. They were originally numbered roughly clockwise from southeast to northeast, with 4 the furthest south in South Boston and 121 the furthest north (roughly) in East Boston. The BERy folded into the Metropolitan Transit Authority in 1947, and the M.T.A. in turn was reorganized as the MBTA in 1964. Despite some changes, including minor routes being merged into trunk routes, the core service network has remained roughly intact since the BERy eta. New routes have been added during the M.T.A. and MBTA eras.{{NETransit}}

Seven routes – {{MBTABus|52}}, {{MBTABus|59}}, {{MBTABus|61}}, {{MBTABus|62}}, {{MBTABus|67}}, {{MBTABus|70}}, and {{MBTABus|76}} – serve more distant western suburbs including Bedford, Waltham, Lexington, and Needham. They are descendants of routes acquired from the Middlesex and Boston Street Railway in 1972, which were subsequently renumbered using previously discontinued designations.

Fourteen routes – {{MBTABus|1}}, {{MBTABus|15}}, {{MBTABus|22}}, {{MBTABus|23}}, {{MBTABus|28}}, {{MBTABus|32}}, {{MBTABus|39}}, {{MBTABus|57}}, {{MBTABus|66}}, {{MBTABus|71}}, {{MBTABus|73}}, {{MBTABus|77}}, {{MBTABus|111}}, and {{MBTABus|116}} – were designated as key bus routes in 2004. The highest–ridership routes in the system, they supplement the subway system to provide frequent service to the densest areas of the city. Key bus routes typically operate at higher frequencies than other routes.{{cite web |url=http://www.mbta.com/uploadedFiles/About_the_T/T_Projects/T_Projects_List/2006%20Service%20Delivery%20Policy(1).pdf |title=Service Delivery Policy |date=July 13, 2006 |publisher=Massachusetts Bay Transportation Authority |pages=3, 26–27 |access-date=July 24, 2014 |archive-date=March 31, 2012 |archive-url=https://web.archive.org/web/20120331112916/http://www.mbta.com/uploadedFiles/About_the_T/T_Projects/T_Projects_List/2006%20Service%20Delivery%20Policy(1).pdf |url-status=dead }} As part of the implementation of the MBTA's Bus Network Redesign program beginning in 2024, the key bus route terminology is being phased out and replaced by a larger frequent route network. Routes 28 and 39 use 60-foot articulated buses.

{{Anchor|191|192|193|194}}

Four early morning round trips are run between outlying stations and {{bts|Haymarket}}, each running over portions of several local routes. Although intended primarily for station agents, they are open to all passengers. The trips are internally numbered 191–194, but are shown in timetables as variants of local routes.

|North Waltham–Waltham Center

|{{MBTA bus EL|61}}

|-

|{{Anchor|62}}62

|Bedford VA Hospital–{{bts|Alewife station}}

|{{MBTA bus EL|62}}

|-

|{{Anchor|62/76}}62/76

|Bedford VA Hospital–{{bts|Alewife station}} via Hanscom Airport

|{{MBTA bus EL|627}}

|-

|{{Anchor|64}}64

|{{bts|Oak Square}}–University Park or {{bts|Kendall/MIT station}}

|{{MBTA bus EL|64}}

|-

|{{Anchor|65}}{{MBTABus|65}}

|Brighton Center–{{bts|Kenmore station}}

|{{MBTA bus EL|65}}

|-

|{{Anchor|66}}66

|Harvard Square–{{bts|Nubian station}} via Allston

|{{MBTA bus EL|66}}

|-

|{{Anchor|67}}67

|Turkey Hill–{{bts|Alewife station}}

|{{MBTA bus EL|67}}

|-

|{{Anchor|68}}68

|Harvard Square–{{bts|Kendall/MIT station}}

|{{MBTA bus EL|68}}

|-

|{{Anchor|69}}69

|Harvard Square–{{bts|Lechmere station}}

|{{MBTA bus EL|69}}

|-

|{{Anchor|70}}70

|Market Place Drive or Waltham Center–University Park

|{{MBTA bus EL|70}}

|-

|{{Anchor|71}}71

|{{bts|Watertown Square}}–{{bts|Harvard station}}

|{{MBTA bus EL|71}}

|-

|{{Anchor|73}}73

|Waverley Square–{{bts|Harvard station}}

|{{MBTA bus EL|73}}

|-

|{{Anchor|74}}74

|{{bts|Belmont Center}}–{{bts|Harvard}} via Concord Avenue

|{{MBTA bus EL|74}}

|-

|{{Anchor|75}}75

|{{bts|Belmont Center}}–{{bts|Harvard}} via Huron Avenue

|{{MBTA bus EL|75}}

|-

|{{Anchor|76}}76

|Lincoln Lab–{{bts|Alewife station}}

|{{MBTA bus EL|76}}

|-

|{{Anchor|77}}77

|Arlington Heights–{{bts|Harvard station}}

|{{MBTA bus EL|77}}

|-

|{{Anchor|78}}78

|Arlmont Village–{{bts|Harvard station}}

|{{MBTA bus EL|78}}

|-

|{{Anchor|80}}80

|Arlington Center–{{bts|Lechmere station}}

|{{MBTA bus EL|80}}

|-

|{{Anchor|83}}83

|Rindge Avenue–Central Square, Cambridge

|{{MBTA bus EL|83}}

|-

|{{Anchor|85}}85

|Spring Hill–{{bts|Kendall/MIT station}}

|{{MBTA bus EL|85}}

|-

|{{Anchor|86}}86

|Harvard–{{bts|Reservoir station}}

|{{MBTA bus EL|86}}

|-

|{{Anchor|87}}87

|Clarendon Hill or Arlington Center–{{bts|Lechmere station}}

|{{MBTA bus EL|87}}

|-

|{{Anchor|88}}88

|Clarendon Hill–{{bts|Lechmere station}}

|{{MBTA bus EL|88}}

|-

|{{Anchor|89}}89

|Clarendon Hill or {{bts|Davis station}}–{{bts|Sullivan Square station}}

|{{MBTA bus EL|89}}

|-

|{{Anchor|90}}90

|{{bts|Davis station}}–Assembly Row

|{{MBTA bus EL|90}}

|-

|{{Anchor|91}}91

|{{bts|Sullivan Square station}}–Central Square, Cambridge

|{{MBTA bus EL|91}}

|-

|{{Anchor|92}}92

|{{bts|Sullivan Square station}}–Downtown via Main Street

|{{MBTA bus EL|92}}

|-

|{{Anchor|93}}93

|{{bts|Sullivan Square station}}–Downtown via Bunker Hill Street

|{{MBTA bus EL|93}}

|-

|{{Anchor|94}}94

|Medford Square–{{bts|Davis station}}

|{{MBTA bus EL|94}}

|-

|{{Anchor|95}}95

|West Medford or Arlington Center–{{bts|Sullivan Square station}}

|{{MBTA bus EL|95}}

|-

|{{Anchor|96}}96

|Medford Square–{{bts|Harvard station}}

|{{MBTA bus EL|96}}

|-

|{{Anchor|97}}97

|{{bts|Malden Center station}}–{{bts|Wellington station}}

|{{MBTA bus EL|97}}

|-

|{{Anchor|99}}99

|Woodland Road–{{bts|Wellington station}}

|{{MBTA bus EL|99}}

|-

|{{Anchor|100}}100

|Elm Street–{{bts|Wellington station}}

|{{MBTA bus EL|100}}

|-

|{{Anchor|101}}101

|{{bts|Malden Center station}}–{{bts|Sullivan Square station}} via Winter Hill

|{{MBTA bus EL|101}}

|-

|{{Anchor|104}}104

|{{bts|Malden Center station}}–Airport via Ferry Street

|{{MBTA bus EL|104}}

|-

|{{Anchor|105}}105

|{{bts|Malden Center station}}–{{bts|Sullivan Square station}} via Newland Street Housing

|{{MBTA bus EL|105}}

|-

|{{Anchor|106}}106

|Lebanon Loop–{{bts|Wellington station}}

|{{MBTA bus EL|106}}

|-

|{{Anchor|108}}108

|Linden Square–{{bts|Wellington station}}

|{{MBTA bus EL|108}}

|-

|{{Anchor|109}}109

|Linden Square–{{bts|Harvard station}}

|{{MBTA bus EL|109}}

|-

|{{Anchor|110}}110

|{{bts|Wonderland station}}–{{bts|Wellington station}}

|{{MBTA bus EL|110}}

|-

|{{Anchor|111}}111

|Woodlawn–{{bts|Haymarket station}}

|{{MBTA bus EL|111}}

|-

|{{Anchor|112}}112

|{{bts|Wellington station}}–Wood Island station

|{{MBTA bus EL|112}}

|-

|{{Anchor|114}}114

|Market Basket–{{bts|Maverick station}}

|{{MBTA bus EL|114}}

|-

|{{Anchor|116}}116

|{{bts|Wonderland station}}–{{bts|Maverick station}} via Revere Street

|{{MBTA bus EL|116}}

|-

|{{Anchor|119}}119

|Northgate Shopping Center–Beachmont station

|{{MBTA bus EL|119}}

|-

|{{Anchor|120}}120

|{{bts|Orient Heights station}}–Jeffries Point

|{{MBTA bus EL|120}}

|-

|{{Anchor|121}}121

|Wood Island station–{{bts|Maverick station}}

|{{MBTA bus EL|121}}

|-

|}

File:MBTA route 137 bus at Reading station, June 2020.jpg

Numbers from 131 to 137 operate in the Melrose area; their routings are based on routes operated as part of the former Eastern Massachusetts Street Railway, which was folded into the MBTA system in 1968. The since-discontinued 136 and the 137 were briefly operated as far as Lowell and Lawrence, their original Eastern Mass terminals, while under MBTA control. The 132 was a Service Bus Lines route which was not operated by the MBTA until 1975.

Route 171 is a special low-service route – a replacement for early morning CT3 service when it was cut back from Logan Airport in 2002. Other numbers in the 170s were previously used for special routes, largely short-lived routes serving industrial areas.

The 20 belt route was created by the M.T.A. in 1962 as a combination of the 20 and 21 stub routes inherited from BERy. In 2005, the MBTA redesignated the two directions of the loop as the 201 and 202 to avoid confusion about which way each bus ran.

File:MBTA route 240 bus in Randolph, June 2018.jpg]]

These routes operate in the Quincy area. Routes 210-245 are based on routes originally operated by the Eastern Massachusetts Street Railway (folded into the MBTA in 1968) which mostly ran into {{bts|Fields Corner station}}. When the Red Line's Braintree Branch opened in phases in 1971 and 1980s, these routes were rerouted to terminate at the new rapid transit stations (principally {{bts|Quincy Center}}).

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These routes operate in the Burlington and Woburn area. They are the descendants of the Eastern Massachusetts Street Railway's Lowell–Boston route, which was inherited intact by the MBTA in 1968 and soon cut back to Burlington.

These routes operate in the Lynn area and the North Shore. Two routes that run to Haymarket have weekend short-turn variants (labeled with a W suffix) that terminate at Wonderland. The 411 and 430 were Service Bus Lines routes that were acquired by the MBTA in 1975; the other routes are largely Eastern Massachusetts Street Railway routes acquired in 1968.

File:MBTA route 430 bus at Malden Center, March 2016.jpg

File:MBTA route 451 bus on Bridge Street, April 2015.JPG

File:MBTA route 505 bus, Peter Pan bus, and The Ride bus on the Mass Pike, October 2016.JPG

These routes operate express between Newton and downtown Boston via the Massachusetts Turnpike (I-90). The 500 series routes were created by the MBTA in the 1960s to take advantage of the newly constructed turnpike extension into Boston. The 550 series routes were Middlesex and Boston Street Railway routes to Newton Corner that were extended to downtown Boston in the 1960s and taken over by the MBTA in 1972. They were cut back to Newton Corner in 2020.

File:MBTA route 713 bus at Orient Heights station, August 2018.JPG

The MBTA provides partial subsidy for some suburban routes outside its usual service area that connect with MBTA bus, subway, or commuter rail service. Routes 712-716 are radial commuter routes were taken over from various private operators (Rapid Transit Inc. for the 712/713, Nantasket Transportation for the 714, and Hudson Bus Lines for the 716).

The non-numbered routes (listed here by their designator on MBTA maps) are local circulator services founded by the municipalities with partial MBTA subsidy. All are operated by private companies under contract, except for the Beverly Shuttle which is operated by the Cape Ann Transportation Authority.

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{{Reflist}}

{{commons category|MBTA bus routes}}

• [https://www.mbta.com/schedules/bus MBTA – Bus schedules and maps]

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