Back Bay Station to Inman Square
The T route from Back Bay Station to Inman Square: where to board, where to change, where to get off and how late it runs.
Back Bay Station to Inman Square
- Orange Line
- Green Line D
- Take the Orange LineFrom Back Bay, toward Oak Grove6 stops, about 8 min
- Change at North Station
- Take a Green Line D trainToward Union Square3 stops, about 13 min
- Get off at Union SquareThe stop after Lechmere
- Walk about 13 min to Inman SquareUse the Prospect St, Webster Ave exit
Weekdays, fall 2026 schedule · First and last trips
Quick answer: Take the Orange Line toward Oak Grove to North Station, then a Green Line D train to Union Square, and walk about 13 min. The trip takes about 40 minutes (38-42 min depending on the connection). On weekdays Green Line trains to Union Square run every 8 min during the day.
Get the live route from Back Bay to Inman Square
Step by step
- At Back Bay, take the Orange Line toward Oak Grove.
- Ride 6 stops, about 8 min, through Tufts Medical Center, Chinatown, Downtown Crossing, State and Haymarket, and get off at North Station.
- At North Station, change to a Green Line D train toward Union Square.
- Ride 3 stops, about 13 min, through Science Park/West End and Lechmere, and get off at Union Square.
- Walk about 13 min to Inman Square. Use the Prospect St, Webster Ave exit.
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 @ Hampshire St: about 35 min.
- Take the Orange Line toward Oak Grove to Downtown Crossing, the Red Line toward Alewife to Central, then bus 83 to Hampshire St @ Cambridge St: about 34 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 | Every 8 min | About 40 min |
| Friday | 5:02 am | 2:07 am | Every 8 min | About 40 min |
| Saturday | 4:44 am | 2:00 am | Every 9 min | About 38 min |
| Sunday | 5:59 am | 12:59 am | Every 10 min | About 38 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 Green Line trains to Union Square (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 Inman Square around 1:44 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
- Check the branch letter. E trains from North Station don't go to Union Square.
- Know your stop. Get to the door after Lechmere. The next stop is Union Square. Start a live trip in Cobblehop and it alerts you before your stop.
- Changing at North Station. You don't leave the station. Follow the signs for Green Line D.
- 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, North Station and Union Square) as accessible. North Station has 6 elevators in MBTA data. Elevators do break, so check the MBTA's elevator alerts before you go.
What it costs
- Subway. $2.40 one way. Changing between subway lines is free.
- 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 Inman Square: common questions
How do I get from Back Bay Station to Inman Square by public transit?
Take the Orange Line toward Oak Grove to North Station, then a Green Line D train to Union Square, and walk about 13 min. The trip takes about 40 minutes (38-42 min depending on the connection).
How long does it take to get from Back Bay Station to Inman Square?
About 40 minutes on the main route, or 38-42 minutes depending on the connection.
Do I have to change along the way?
Yes, once: at North Station. Take the Orange Line toward Oak Grove to North Station, then a Green Line D train to Union Square, and walk about 13 min.
How often do Green Line trains to Union Square run?
Every 8 min on weekdays during the day, every 9 min on Saturdays and every 10 min on Sundays, on the fall 2026 schedule.
What time is the last train from Back Bay Station to Inman Square?
On weekdays, the last trip that works leaves Back Bay at 1:10 am and gets to Inman Square around 1:44 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 Cambridge Hospital
- Back Bay Station to Union Square, Somerville
- Boston Common to Inman Square
- Kendall Square to Inman Square
- Never miss your stop (guide)
More routes from Back Bay Station
- Back Bay Station to Central Square, Cambridge
- Back Bay Station to Harvard Art Museums
- Back Bay Station to Harvard Museum of Natural History
- Back Bay Station to MIT
- Back Bay Station to MIT Museum
- 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: Green Line
- MBTA: Back Bay station
- MBTA: North Station station
- MBTA: Union 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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