North Station to Union Square, Somerville
The T route from North Station to Union Square, Somerville: where to board, where to change, where to get off and how late it runs.
North Station to Union Square, Somerville
- Green Line D
- Take a Green Line D trainFrom North Station, toward Union Square3 stops, about 13 min
- Get off at Union SquareThe stop after Lechmere
- Walk about 7 min to Union Square, SomervilleUse the Prospect St, Webster Ave exit
Weekdays, fall 2026 schedule · First and last trips
Quick answer: Take a Green Line D train to Union Square, and walk about 7 min. The trip takes about 20 minutes. On weekdays Green Line trains to Union Square run every 8 min during the day.
Get the live route from North Station to Union Square
Step by step
- At North Station, take 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 7 min to Union Square, Somerville. Use the Prospect St, Webster Ave exit.
Other ways to go
- Take the Orange Line toward Oak Grove to Sullivan Square, then bus 109 to Somerville Ave @ Union Sq: about 21 min.
- Take the Green Line toward Medford/Tufts to Lechmere, then bus 87 to Bow St @ Warren Ave: about 20 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 | 5:18 am | 1:26 am | Every 8 min | About 20 min |
| Friday | 5:18 am | 2:24 am | Every 8 min | About 20 min |
| Saturday | 5:01 am | 2:21 am | Every 9 min | About 19 min |
| Sunday | 5:49 am | 1:23 am | Every 10 min | About 19 min |
First and last trip are when the first train of the trip leaves North Station, on the fall 2026 schedule. "How often" is for Green Line trains to Union Square.
Late at night
On weekdays, the last trip that works leaves North Station at 1:26 am and gets to Union Square, Somerville around 1:54 am, using Green Line. On Friday nights it runs later: the last trip leaves at 2:24 am. On Saturday nights the last trip leaves at 2:21 am, and on Sunday nights at 1:23 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.
- Union Square station is the end of the Green Line D branch, a short walk from the square.
- North Station sits under TD Garden. The Orange and Green Lines are underground and the Commuter Rail tracks are on the main level.
Step-free access
MBTA data lists every station on this route (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.
- 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.
North Station to Union Square, Somerville: common questions
How do I get from North Station to Union Square, Somerville by public transit?
Take a Green Line D train to Union Square, and walk about 7 min. The trip takes about 20 minutes.
How long does it take to get from North Station to Union Square, Somerville?
About 20 minutes on the main route.
Do I have to change trains?
No. A Green Line D train goes all the way, so it's one ride.
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 North Station to Union Square, Somerville?
On weekdays, the last trip that works leaves North Station at 1:26 am and gets to Union Square, Somerville around 1:54 am, using Green Line. On Friday nights it runs later: the last trip leaves at 2:24 am. On Saturday nights the last trip leaves at 2:21 am, and on Sunday nights at 1:23 am.
Related routes
- North Station to Inman Square
- North Station to Cambridge Hospital
- Boston Common to Union Square, Somerville
- South Station to Union Square, Somerville
- Getting to TD Garden by T (guide)
- Never miss your stop (guide)
More routes from North Station
- North Station to Central Square, Cambridge
- North Station to Harvard Art Museums
- North Station to Harvard Museum of Natural History
- North Station to MIT Museum
- North Station to MIT
- All routes from North 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: Green Line
- 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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