Boston Common to Boston University
Plain directions from Boston Common to Boston University, checked against the fall 2026 MBTA schedule.
Boston Common to Boston University
- Green Line B
- Walk about 4 min to Park StreetFrom Boston Common
- Take a Green Line B trainToward Boston College7 stops, about 16 min
- Get off at Boston University EastThe stop after Blandford Street
- Walk about 5 min to Boston University
Weekdays, fall 2026 schedule · First and last trips
Quick answer: Walk about 4 min to Park Street, then take a Green Line B train to Boston University East, and walk about 5 min. The trip takes about 25 minutes. On weekdays Green Line trains to Boston University East run every 8 min during the day.
Get the live route from Boston Common to BU
Step by step
- From Boston Common, walk about 4 min to Park Street.
- At Park Street, take 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
- Walk about 5 min to Boylston, then take the Green Line toward Riverside to Kenmore, then bus 57 to Commonwealth Ave @ Granby St, and walk about 4 min: about 30 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 | 5:09 am | 1:13 am | Every 8 min | About 25 min |
| Friday | 5:09 am | 2:07 am | Every 8 min | About 25 min |
| Saturday | 5:15 am | 2:01 am | Every 10 min | About 27 min |
| Sunday | 5:51 am | 1:00 am | Every 11 min | About 27 min |
First and last trip are when the first train of the trip leaves Park Street, on the fall 2026 schedule. "How often" is for Green Line trains to Boston University East.
Late at night
On weekdays, the last trip that works leaves Park Street at 1:13 am and gets to Boston University around 1:38 am, using Green Line. On Friday nights it runs later: the last trip leaves at 2:07 am. On Saturday nights the last trip leaves at 2:01 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.
- BU stretches along Commonwealth Avenue, and the Green Line B branch runs down the middle of the avenue through campus.
Step-free access
MBTA data lists every station on this route (Park Street and Boston University East) as accessible. Park Street 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.
- 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.
Boston Common to Boston University: common questions
How do I get from Boston Common to Boston University by public transit?
Walk about 4 min to Park Street, then take a Green Line B train to Boston University East, and walk about 5 min. The trip takes about 25 minutes.
How long does it take to get from Boston Common to Boston University?
About 25 minutes on the main route.
Do I have to change trains?
No. A Green Line B train goes all the way, so it's one ride.
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 Boston Common to Boston University?
On weekdays, the last trip that works leaves Park Street at 1:13 am and gets to Boston University around 1:38 am, using Green Line. On Friday nights it runs later: the last trip leaves at 2:07 am. On Saturday nights the last trip leaves at 2:01 am, and on Sunday nights at 1:00 am.
Related routes
- Boston Common to Fenway Park
- Boston Common to Emmanuel College
- South Station to Boston University
- North Station to Boston University
- Never miss your stop (guide)
More routes from Boston Common
- Boston Common to House of Blues Boston
- Boston Common to Beth Israel Deaconess Medical Center
- Boston Common to Agganis Arena
- Boston Common to Boston Children's Hospital
- Boston Common to Longwood Medical Area
- All routes from Boston Common
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: Green Line
- MBTA: Park Street station
- MBTA: Boston University East 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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