Boston Common to Arsenal Yards
The T route from Boston Common to Arsenal Yards: where to board, where to change, where to get off and how late it runs.
Boston Common to Arsenal Yards
- Red Line
- Bus 70
- Walk about 4 min to Park StreetFrom Boston Common
- Take the Red LineToward Alewife3 stops, about 6 min
- Walk about 3 min to Green St @ Magazine StAfter you get off at Central
- Take bus 70Toward Market Place Dr13 stops, about 14 min
- Get off at Arsenal St @ Arlington StThe stop after 495 Western Ave
- Walk about 5 min to Arsenal Yards
Weekdays, fall 2026 schedule · First and last trips
Quick answer: Walk about 4 min to Park Street, then take the Red Line toward Alewife to Central, then bus 70 to Arsenal St @ Arlington St, and walk about 5 min. The trip takes about 40 minutes (34-44 min depending on the connection). On weekdays bus 70 runs about every 15 min during the day.
Get the live route from Boston Common to Arsenal Yards
Step by step
- From Boston Common, walk about 4 min to Park Street.
- At Park Street, take the Red Line toward Alewife.
- Ride 3 stops, about 6 min, through Charles/MGH and Kendall/MIT, and get off at Central.
- Walk about 3 min from Central to Green St @ Magazine St.
- At Green St @ Magazine St, change to bus 70 toward Market Place Dr.
- Ride about 14 min (13 stops). Get off at Arsenal St @ Arlington St, the stop after 495 Western Ave.
- Walk about 5 min to Arsenal Yards.
Other ways to go
- Walk about 4 min to Park Street, then take the Red Line toward Alewife to Harvard, then bus 86 to 495 Western Ave, and walk about 16 min: about 49 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-Friday | 5:09 am | 12:47 am | About every 15 min | About 40 min |
| Saturday | 5:15 am | 12:47 am | About every 15 min | About 39 min |
| Sunday | 5:51 am | 12:47 am | About every 20 min | About 39 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 bus 70 (the least frequent part of the trip).
Late at night
On weekdays, the last trip that works leaves Park Street at 12:47 am and gets to Arsenal Yards around 1:24 am. On Saturday nights the last trip leaves at 12:47 am, and on Sunday nights at 12:47 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 495 Western Ave. The next stop is Arsenal St @ Arlington St. Start a live trip in Cobblehop and it alerts you before your stop.
- Arsenal Yards is on Arsenal Street in Watertown.
Step-free access
MBTA data lists every station on this route (Park Street and Central) 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 and bus. The subway is $2.40 one way, and a local bus is $1.70. Under an MBTA pilot that started September 1, 2026, you can change between bus and subway within 2 hours of your first tap and pay only the highest fare, if you use the same card or phone each time.
- 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 Arsenal Yards: common questions
How do I get from Boston Common to Arsenal Yards by public transit?
Walk about 4 min to Park Street, then take the Red Line toward Alewife to Central, then bus 70 to Arsenal St @ Arlington St, and walk about 5 min. The trip takes about 40 minutes (34-44 min depending on the connection).
How long does it take to get from Boston Common to Arsenal Yards?
About 40 minutes on the main route, or 34-44 minutes depending on the connection.
Do I have to change along the way?
Yes, once: at Central. Walk about 4 min to Park Street, then take the Red Line toward Alewife to Central, then bus 70 to Arsenal St @ Arlington St, and walk about 5 min.
How often does bus 70 run?
About every 15 min on weekdays during the day, about every 15 min on Saturdays and about every 20 min on Sundays, on the fall 2026 schedule.
What time is the last bus from Boston Common to Arsenal Yards?
On weekdays, the last trip that works leaves Park Street at 12:47 am and gets to Arsenal Yards around 1:24 am. On Saturday nights the last trip leaves at 12:47 am, and on Sunday nights at 12:47 am.
Related routes
- Boston Common to Roadrunner
- Boston Common to Mount Auburn Cemetery
- South Station to Arsenal Yards
- North Station to Arsenal Yards
- Never miss your stop (guide)
More routes from Boston Common
- Boston Common to St. Elizabeth's Medical Center
- Boston Common to Mount Auburn Hospital
- Boston Common to Fresh Pond Reservation
- Boston Common to Boston College
- Boston Common to Harvard Stadium
- 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: Red Line
- MBTA: bus 70
- MBTA: Park Street station
- MBTA: Central 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.
Leaving now? Cobblehop gives you one clear plan with live times and alerts you before your stop. No sign-up, nothing to install.