Back Bay Station to Cambridge Hospital
Plain directions from Back Bay Station to Cambridge Hospital, checked against the fall 2026 MBTA schedule.
Back Bay Station to Cambridge Hospital
- Orange Line
- Bus 109
- Take the Orange LineFrom Back Bay, toward Oak Grove8 stops, about 12 min
- Change at Sullivan Square
- Take bus 109Toward Harvard via Sullivan11 stops, about 14 min
- Get off at Washington St @ Beacon StThe stop after Washington St @ Dane St
- Walk about 7 min to Cambridge Hospital
Weekdays, fall 2026 schedule · First and last trips
Quick answer: Take the Orange Line toward Oak Grove to Sullivan Square, then bus 109 to Washington St @ Beacon St, and walk about 7 min. The trip takes about 41 minutes (36-43 min depending on the connection). On weekdays bus 109 runs about every 15 min during the day.
Get the live route from Back Bay to Cambridge Hospital
Step by step
- At Back Bay, take the Orange Line toward Oak Grove.
- Ride 8 stops, about 12 min. Get off at Sullivan Square, the stop after Community College.
- At Sullivan Square, change to bus 109 toward Harvard via Sullivan.
- Ride about 14 min (11 stops). Get off at Washington St @ Beacon St, the stop after Washington St @ Dane St.
- Walk about 7 min to Cambridge Hospital.
Other ways to go
- Take the Orange Line toward Oak Grove to Downtown Crossing, the Red Line toward Alewife to Harvard, then bus 69 to Cambridge St @ Highland Ave, and walk about 3 min: about 36 min.
- Take the Orange Line toward Forest Hills to Massachusetts Avenue, then bus 1 to Massachusetts Ave @ Hancock St, and walk about 13 min: about 43 min.
Which one is faster depends on when you leave. Cobblehop compares them with live times and gives you the one that gets you there first.
Times and frequency
| Day | First trip | Last trip | How often (daytime) | Trip time |
|---|---|---|---|---|
| Monday-Thursday | 5:02 am | 1:10 am | About every 15 min | About 41 min |
| Friday | 5:02 am | 2:07 am | About every 15 min | About 41 min |
| Saturday | 4:44 am | 2:00 am | About every 15 min | About 40 min |
| Sunday | 5:59 am | 12:59 am | About every 15 min | About 39 min |
First and last trip are when the first train of the trip leaves Back Bay, on the fall 2026 schedule. "How often" is for bus 109 (the least frequent part of the trip).
Late at night
On weekdays, the last trip that works leaves Back Bay at 1:10 am and gets to Cambridge Hospital around 1:46 am, using bus 39 and bus 1. On Friday nights it runs later: the last trip leaves at 2:07 am. On Saturday nights the last trip leaves at 2:00 am, and on Sunday nights at 12:59 am. Late at night, ask Cobblehop for the last trip. It checks live times and tells you when to leave.
Tips for this trip
- Know your stop. Get to the door after Washington St @ Dane St. The next stop is Washington St @ Beacon St. Start a live trip in Cobblehop and it alerts you before your stop.
- Changing at Sullivan Square. You don't leave the station. Follow the signs for bus 109.
- Cambridge Hospital, part of Cambridge Health Alliance, is on Cambridge Street near Inman Square.
- Back Bay station has the Orange Line, Commuter Rail and Amtrak under one roof. It connects to Copley Place by an indoor passage.
Step-free access
MBTA data lists every station on this route (Back Bay and Sullivan Square) as accessible. Back Bay has 4 elevators in MBTA data. Elevators do break, so check the MBTA's elevator alerts before you go.
What it costs
- Subway and bus. The subway is $2.40 one way, and a local bus is $1.70. Under an MBTA pilot that started September 1, 2026, you can change between bus and subway within 2 hours of your first tap and pay only the highest fare, if you use the same card or phone each time.
- How to pay. Tap a contactless credit or debit card, phone or watch at the fare gate or bus door, or use a CharlieCard or CharlieTicket.
- Kids. Children 11 and under ride the MBTA free.
Fares as of October 2026. Check the MBTA's fares page before you ride.
Back Bay Station to Cambridge Hospital: common questions
How do I get from Back Bay Station to Cambridge Hospital by public transit?
Take the Orange Line toward Oak Grove to Sullivan Square, then bus 109 to Washington St @ Beacon St, and walk about 7 min. The trip takes about 41 minutes (36-43 min depending on the connection).
How long does it take to get from Back Bay Station to Cambridge Hospital?
About 41 minutes on the main route, or 36-43 minutes depending on the connection.
Do I have to change along the way?
Yes, once: at Sullivan Square. Take the Orange Line toward Oak Grove to Sullivan Square, then bus 109 to Washington St @ Beacon St, and walk about 7 min.
How often does bus 109 run?
About every 15 min on weekdays during the day, about every 15 min on Saturdays and about every 15 min on Sundays, on the fall 2026 schedule.
What time is the last bus from Back Bay Station to Cambridge Hospital?
On weekdays, the last trip that works leaves Back Bay at 1:10 am and gets to Cambridge Hospital around 1:46 am, using bus 39 and bus 1. On Friday nights it runs later: the last trip leaves at 2:07 am. On Saturday nights the last trip leaves at 2:00 am, and on Sunday nights at 12:59 am.
Related routes
- Back Bay Station to Inman Square
- Back Bay Station to Union Square, Somerville
- Boston Common to Cambridge Hospital
- Kendall Square to Cambridge Hospital
- Never miss your stop (guide)
More routes from Back Bay Station
- Back Bay Station to Harvard Art Museums
- Back Bay Station to Central Square, Cambridge
- Back Bay Station to Harvard Museum of Natural History
- Back Bay Station to Harvard Square
- Back Bay Station to Porter Square
- All routes from Back Bay Station
Official sources
Cobblehop is independent and isn't affiliated with these agencies or operators. Schedules on this page come from MBTA/MassDOT public data. Check their pages for the latest schedules and service changes:
- MBTA: Orange Line
- MBTA: bus 109
- MBTA: Back Bay station
- MBTA: Sullivan Square station
- MBTA: fares
- MBTA: elevator and accessibility alerts
Published October 30, 2026. Times were computed from the fall 2026 MBTA schedule (2026-11-04 for weekdays). Service changes, so check Cobblehop for live times before you go.
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