South Station to Boston University
The T route from South Station to Boston University: where to board, where to change, where to get off and how late it runs.
Quick answer: Take the Red Line toward Alewife to Park Street, then a Green Line B train to Boston University East, and walk about 5 min. The trip takes about 32 minutes (29-34 min depending on the connection). On weekdays Green Line trains to Boston University East run every 8 min during the day.
Get the live route from South Station to BU
Step by step
- At South Station, take the Red Line toward Alewife.
- Ride 2 stops, about 3 min, through Downtown Crossing, and get off at Park Street.
- At Park Street, change to a Green Line B train toward Boston College.
- Ride 7 stops, about 16 min, through Boylston, Arlington, Copley, Hynes Convention Center, Kenmore and Blandford Street, and get off at Boston University East.
- Walk about 5 min to Boston University.
Other ways to go
- Take the Framingham/Worcester Line toward Framingham to Lansdowne, and walk about 15 min: about 26 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 | 4:45 am | 1:04 am | Every 8 min | About 32 min |
| Friday | 4:45 am | 1:58 am | Every 8 min | About 32 min |
| Saturday | 5:00 am | 1:57 am | Every 10 min | About 33 min |
| Sunday | 5:00 am | 1:00 am | Every 11 min | About 33 min |
First and last trip are when the first train of the trip leaves South Station, on the fall 2026 schedule. "How often" is for Green Line trains to Boston University East (the least frequent part of the trip).
Late at night
On weekdays, the last trip that works leaves South Station at 1:04 am and gets to Boston University around 1:24 am, using Green Line. On Friday nights it runs later: the last trip leaves at 1:58 am. On Saturday nights the last trip leaves at 1:57 am, and on Sunday nights at 1:00 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. C trains and D trains and E trains from Park Street don't go to Boston University East.
- Know your stop. Get to the door after Blandford Street. The next stop is Boston University East. Start a live trip in Cobblehop and it alerts you before your stop.
- Changing at Park Street. You don't leave the station. Follow the signs for Green Line B.
- BU stretches along Commonwealth Avenue, and the Green Line B branch runs down the middle of the avenue through campus.
- South Station has the Red Line and Silver Line underground, Commuter Rail and Amtrak on the main concourse, and the intercity bus terminal upstairs next door.
Step-free access
MBTA data lists every station on this route (South Station, Park Street and Boston University East) as accessible. South Station has 9 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.
South Station to Boston University: common questions
How do I get from South Station to Boston University by public transit?
Take the Red Line toward Alewife to Park Street, then a Green Line B train to Boston University East, and walk about 5 min. The trip takes about 32 minutes (29-34 min depending on the connection).
How long does it take to get from South Station to Boston University?
About 32 minutes on the main route, or 29-34 minutes depending on the connection.
Do I have to change along the way?
Yes, once: at Park Street. Take the Red Line toward Alewife to Park Street, then a Green Line B train to Boston University East, and walk about 5 min.
How often do Green Line trains to Boston University East run?
Every 8 min on weekdays during the day, every 10 min on Saturdays and every 11 min on Sundays, on the fall 2026 schedule.
What time is the last train from South Station to Boston University?
On weekdays, the last trip that works leaves South Station at 1:04 am and gets to Boston University around 1:24 am, using Green Line. On Friday nights it runs later: the last trip leaves at 1:58 am. On Saturday nights the last trip leaves at 1:57 am, and on Sunday nights at 1:00 am.
Related routes
- South Station to Longwood Medical Area
- South Station to MIT
- North Station to Boston University
- Back Bay Station to Boston University
- Never miss your stop (guide)
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: Red Line
- MBTA: Green Line
- MBTA: South Station station
- MBTA: Park Street station
- MBTA: Boston University East station
- MBTA: fares
- MBTA: elevator and accessibility alerts
Published October 29, 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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