Boston Common to CambridgeSide
The T route from Boston Common to CambridgeSide: where to board, where to change, where to get off and how late it runs.
Boston Common to CambridgeSide
- Green Line
- Walk about 4 min to Park StreetFrom Boston Common
- Take the Green LineToward Medford/Tufts5 stops, about 13 min
- Get off at LechmereThe stop after Science Park/West End
- Walk about 8 min to CambridgeSideUse the O'Brien Hwy exit
Weekdays, fall 2026 schedule · First and last trips
Quick answer: Walk about 4 min to Park Street, then take the Green Line toward Medford/Tufts to Lechmere, and walk about 8 min. The trip takes about 25 minutes. On weekdays Green Line trains to Lechmere run every 4 min during the day.
Get the live route from Boston Common to CambridgeSide
Step by step
- From Boston Common, walk about 4 min to Park Street.
- At Park Street, take the Green Line toward Medford/Tufts.
- Ride 5 stops, about 13 min, through Government Center, Haymarket, North Station and Science Park/West End, and get off at Lechmere.
- Walk about 8 min to CambridgeSide. Use the O'Brien Hwy exit.
Other ways to go
- Walk about 4 min to Park Street, then take the Red Line toward Alewife to Kendall/MIT, and walk about 18 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 | 5:11 am | 1:20 am | Every 4 min | About 25 min |
| Friday | 5:11 am | 2:18 am | Every 4 min | About 25 min |
| Saturday | 5:36 am | 2:14 am | Every 5 min | About 25 min |
| Sunday | 6:05 am | 1:16 am | Every 5 min | About 25 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 Lechmere.
Late at night
On weekdays, the last trip that works leaves Park Street at 1:20 am and gets to CambridgeSide around 1:40 am. On Friday nights it runs later: the last trip leaves at 2:18 am. On Saturday nights the last trip leaves at 2:14 am, and on Sunday nights at 1:16 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 Science Park/West End. The next stop is Lechmere. Start a live trip in Cobblehop and it alerts you before your stop.
- CambridgeSide, the shopping mall on First Street in East Cambridge, is a short walk from Lechmere station.
Step-free access
MBTA data lists every station on this route (Park Street and Lechmere) 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 CambridgeSide: common questions
How do I get from Boston Common to CambridgeSide by public transit?
Walk about 4 min to Park Street, then take the Green Line toward Medford/Tufts to Lechmere, and walk about 8 min. The trip takes about 25 minutes.
How long does it take to get from Boston Common to CambridgeSide?
About 25 minutes on the main route. Walking takes about 34 minutes.
Do I have to change trains?
No. The Green Line goes all the way, so it's one ride.
How often do Green Line trains to Lechmere run?
Every 4 min on weekdays during the day, every 5 min on Saturdays and every 5 min on Sundays, on the fall 2026 schedule.
What time is the last train from Boston Common to CambridgeSide?
On weekdays, the last trip that works leaves Park Street at 1:20 am and gets to CambridgeSide around 1:40 am. On Friday nights it runs later: the last trip leaves at 2:18 am. On Saturday nights the last trip leaves at 2:14 am, and on Sunday nights at 1:16 am.
Related routes
- Boston Common to Museum of Science
- Boston Common to Bunker Hill Community College
- South Station to CambridgeSide
- North Station to CambridgeSide
- Never miss your stop (guide)
More routes from Boston Common
- Boston Common to MIT Museum
- Boston Common to TD Garden
- Boston Common to Bunker Hill Monument
- Boston Common to Copley Square
- Boston Common to MIT
- 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: Lechmere 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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