B

MBTA Route B Green Line B

Light Rail & Streetcar Boston, MA64 stopsto Boston Collegeto Medford/Tufts

View live on the mapOfficial MBTA schedule All MBTA routes

LIVE SERVICE STATUS

Checking the MBTA alerts feed…

Schedule summary

Computed from the MBTA GTFS feed (version Fall 2026, 2026-10-21T20:52:18+00:00, version D). Each row is the next day of that kind with service.

DayDirectionFirstLastTripsTypical gap
WeekdayTue, Oct 27to Boston College5:45 AM1:02 AM136~8 min
to Medford/Tufts5:01 AM12:18 AM136~8 min
SaturdaySat, Oct 31to Boston College5:27 AM1:42 AM132~10 min
to Medford/Tufts5:01 AM1:11 AM128~10 min
SundaySun, Nov 1to Boston College4:46 AM12:40 AM123~10 min
to Medford/Tufts4:20 AM11:14 PM120~10 min

Stops & times — today, Tue, Oct 27

To Boston College · 32 stops

Departures from Medford/Tufts today:

5:45 AM5:55 AM6:05 AM6:14 AM6:20 AM6:23 AM6:32 AM6:42 AM6:53 AM7:04 AM7:14 AM7:22 AM7:30 AM7:38 AM7:46 AM7:54 AM8:02 AM8:10 AM8:18 AM8:26 AM8:34 AM8:42 AM8:50 AM8:58 AM9:06 AM9:14 AM9:22 AM9:30 AM9:38 AM9:46 AM9:54 AM10:02 AM10:10 AM10:18 AM10:26 AM10:34 AM10:42 AM10:50 AM10:58 AM11:06 AM11:14 AM11:22 AM11:30 AM11:39 AM11:47 AM11:56 AM12:05 PM12:13 PM12:21 PM12:29 PM12:37 PM12:45 PM12:53 PM1:01 PM1:09 PM1:17 PM1:25 PM1:34 PM1:42 PM1:51 PM2:00 PM2:08 PM2:16 PM2:24 PM2:32 PM2:40 PM2:48 PM2:56 PM3:05 PM3:13 PM3:21 PM3:30 PM+ 64 more

  1. 1

    Medford/Tufts

    First 6:20 AM · Last 6:20 AM · 1 scheduled departures

  2. 2

    Ball Square

    First 6:22 AM · Last 6:22 AM · 1 scheduled departures

  3. 3

    Magoun Square

    First 6:23 AM · Last 6:23 AM · 1 scheduled departures

  4. 4

    Gilman Square

    First 6:25 AM · Last 6:25 AM · 1 scheduled departures

  5. 5

    East Somerville

    First 6:27 AM · Last 6:27 AM · 1 scheduled departures

  6. 6

    Lechmere

    First 6:31 AM · Last 6:31 AM · 1 scheduled departures

  7. 7

    Science Park/West End

    First 6:33 AM · Last 6:33 AM · 1 scheduled departures

  8. 8

    North Station

    First 6:37 AM · Last 6:37 AM · 1 scheduled departures

  9. 9

    Haymarket

    First 6:39 AM · Last 6:39 AM · 1 scheduled departures

  10. 10

    Government Center

    First 5:45 AM · Last 1:02 AM (+1 day) · 136 scheduled departures

  11. 11

    Park Street

    First 5:46 AM · Last 1:04 AM (+1 day) · 136 scheduled departures

  12. 12

    Boylston

    First 5:48 AM · Last 1:06 AM (+1 day) · 136 scheduled departures

  13. 13

    Arlington

    First 5:50 AM · Last 1:08 AM (+1 day) · 136 scheduled departures

  14. 14

    Copley

    First 5:52 AM · Last 1:10 AM (+1 day) · 136 scheduled departures

  15. 15

    Hynes Convention Center

    First 5:55 AM · Last 1:13 AM (+1 day) · 136 scheduled departures

  16. 16

    Kenmore

    First 5:58 AM · Last 1:16 AM (+1 day) · 136 scheduled departures

  17. 17

    Blandford Street

    First 5:59 AM · Last 1:18 AM (+1 day) · 136 scheduled departures

  18. 18

    Boston University East

    First 6:00 AM · Last 1:19 AM (+1 day) · 136 scheduled departures

  19. 19

    Boston University Central

    First 6:02 AM · Last 1:21 AM (+1 day) · 136 scheduled departures

  20. 20

    Amory Street

    First 6:05 AM · Last 1:24 AM (+1 day) · 136 scheduled departures

  21. 21

    Babcock Street

    First 6:07 AM · Last 1:26 AM (+1 day) · 136 scheduled departures

  22. 22

    Packard's Corner

    First 6:09 AM · Last 1:28 AM (+1 day) · 136 scheduled departures

  23. 23

    Harvard Avenue

    First 6:11 AM · Last 1:30 AM (+1 day) · 136 scheduled departures

  24. 24

    Griggs Street

    First 6:12 AM · Last 1:32 AM (+1 day) · 136 scheduled departures

  25. 25

    Allston Street

    First 6:13 AM · Last 1:33 AM (+1 day) · 136 scheduled departures

  26. 26

    Warren Street

    First 6:14 AM · Last 1:34 AM (+1 day) · 136 scheduled departures

  27. 27

    Washington Street

    First 6:16 AM · Last 1:36 AM (+1 day) · 136 scheduled departures

  28. 28

    Sutherland Road

    First 6:17 AM · Last 1:37 AM (+1 day) · 136 scheduled departures

  29. 29

    Chiswick Road

    First 6:19 AM · Last 1:39 AM (+1 day) · 136 scheduled departures

  30. 30

    Chestnut Hill Avenue

    First 6:20 AM · Last 1:40 AM (+1 day) · 136 scheduled departures

  31. 31

    South Street

    First 6:21 AM · Last 1:42 AM (+1 day) · 136 scheduled departures

  32. 32

    Boston College

    First 6:24 AM · Last 1:45 AM (+1 day) · 136 scheduled departures

To Medford/Tufts · 32 stops

Departures from Boston College today:

5:01 AM5:06 AM5:11 AM5:21 AM5:30 AM5:39 AM5:48 AM5:57 AM6:06 AM6:15 AM6:24 AM6:32 AM6:40 AM6:48 AM6:56 AM7:04 AM7:12 AM7:20 AM7:28 AM7:36 AM7:44 AM7:52 AM8:00 AM8:08 AM8:16 AM8:24 AM8:32 AM8:40 AM8:48 AM8:56 AM9:04 AM9:12 AM9:20 AM9:28 AM9:36 AM9:44 AM9:52 AM10:00 AM10:08 AM10:16 AM10:24 AM10:32 AM10:40 AM10:49 AM10:57 AM11:06 AM11:15 AM11:23 AM11:31 AM11:39 AM11:47 AM11:55 AM12:03 PM12:11 PM12:19 PM12:27 PM12:35 PM12:44 PM12:52 PM1:01 PM1:10 PM1:18 PM1:26 PM1:34 PM1:42 PM1:50 PM1:58 PM2:06 PM2:14 PM2:22 PM2:30 PM2:39 PM+ 64 more

  1. 1

    Boston College

    First 5:01 AM · Last 12:18 AM (+1 day) · 136 scheduled departures

  2. 2

    South Street

    First 5:04 AM · Last 12:21 AM (+1 day) · 136 scheduled departures

  3. 3

    Chestnut Hill Avenue

    First 5:05 AM · Last 12:22 AM (+1 day) · 136 scheduled departures

  4. 4

    Chiswick Road

    First 5:07 AM · Last 12:23 AM (+1 day) · 136 scheduled departures

  5. 5

    Sutherland Road

    First 5:08 AM · Last 12:25 AM (+1 day) · 136 scheduled departures

  6. 6

    Washington Street

    First 5:10 AM · Last 12:26 AM (+1 day) · 136 scheduled departures

  7. 7

    Warren Street

    First 5:12 AM · Last 12:28 AM (+1 day) · 136 scheduled departures

  8. 8

    Allston Street

    First 5:13 AM · Last 12:29 AM (+1 day) · 136 scheduled departures

  9. 9

    Griggs Street

    First 5:14 AM · Last 12:30 AM (+1 day) · 136 scheduled departures

  10. 10

    Harvard Avenue

    First 5:16 AM · Last 12:32 AM (+1 day) · 136 scheduled departures

  11. 11

    Packard's Corner

    First 5:18 AM · Last 12:34 AM (+1 day) · 136 scheduled departures

  12. 12

    Babcock Street

    First 5:20 AM · Last 12:36 AM (+1 day) · 136 scheduled departures

  13. 13

    Amory Street

    First 5:22 AM · Last 12:38 AM (+1 day) · 136 scheduled departures

  14. 14

    Boston University Central

    First 5:25 AM · Last 12:41 AM (+1 day) · 136 scheduled departures

  15. 15

    Boston University East

    First 5:26 AM · Last 12:43 AM (+1 day) · 136 scheduled departures

  16. 16

    Blandford Street

    First 5:27 AM · Last 12:44 AM (+1 day) · 136 scheduled departures

  17. 17

    Kenmore

    First 5:28 AM · Last 12:46 AM (+1 day) · 136 scheduled departures

  18. 18

    Hynes Convention Center

    First 5:31 AM · Last 12:49 AM (+1 day) · 136 scheduled departures

  19. 19

    Copley

    First 5:34 AM · Last 12:51 AM (+1 day) · 136 scheduled departures

  20. 20

    Arlington

    First 5:36 AM · Last 12:53 AM (+1 day) · 136 scheduled departures

  21. 21

    Boylston

    First 5:38 AM · Last 12:55 AM (+1 day) · 136 scheduled departures

  22. 22

    Park Street

    First 5:40 AM · Last 12:57 AM (+1 day) · 136 scheduled departures

  23. 23

    Government Center

    First 5:42 AM · Last 12:59 AM (+1 day) · 136 scheduled departures

  24. 24

    Haymarket

    First 5:49 AM · Last 5:49 AM · 1 scheduled departures

  25. 25

    North Station

    First 5:51 AM · Last 5:51 AM · 1 scheduled departures

  26. 26

    Science Park/West End

    First 5:55 AM · Last 5:55 AM · 1 scheduled departures

  27. 27

    Lechmere

    First 5:57 AM · Last 5:57 AM · 1 scheduled departures

  28. 28

    East Somerville

    First 6:01 AM · Last 6:01 AM · 1 scheduled departures

  29. 29

    Gilman Square

    First 6:03 AM · Last 6:03 AM · 1 scheduled departures

  30. 30

    Magoun Square

    First 6:05 AM · Last 6:05 AM · 1 scheduled departures

  31. 31

    Ball Square

    First 6:07 AM · Last 6:07 AM · 1 scheduled departures

  32. 32

    Medford/Tufts

    First 6:09 AM · Last 6:09 AM · 1 scheduled departures

MBTA Route B Green Line B — questions

What time does MBTA Route B Green Line B run on weekdays?

On a typical weekday (Tue, Oct 27), the first MBTA Route B Green Line B departure is 5:45 AM and the last is 1:02 AM, running roughly every 8 minutes. Times are the published schedule from the MBTA GTFS feed (version Fall 2026, 2026-10-21T20:52:18+00:00, version D).

Where does MBTA Route B Green Line B go?

MBTA Route B Green Line B serves 64 stops: Medford/Tufts → Boston College (to Boston College); Boston College → Medford/Tufts (to Medford/Tufts). The full ordered stop list with first and last departure times is on this page.

Does MBTA Route B Green Line B run on weekends?

Yes — Saturday service runs 260 trips; Sunday service runs 243 trips. See the schedule summary for first and last times.

Is MBTA Route B Green Line B delayed or on detour right now?

The live service status section at the top of this page reads MBTA's realtime alerts feed — detours, suspensions and delays for this route appear there as the agency posts them. Everything else on this page is the published timetable.

Can I watch MBTA Route B Green Line B live on a map?

Yes — the WorldEye globe carries MBTA's live vehicle positions on its transit layer. Open the live map from this page, and tap any vehicle or stop for its next arrivals. It's free, no signup.

More Light Rail & Streetcar routes

Times on this page are the published schedule from MBTA's GTFS feed (version Fall 2026, 2026-10-21T20:52:18+00:00, version D); live status comes from the agency's realtime alerts feed and can differ. Data: MBTA. Long name as published: “Green Line B”. WorldEye is a free viewer — for fares, passes and official notices, see MBTA's own site.

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