SL4

MBTA Route SL4 Nubian Station - South Station

Bus Boston, MA22 stopsto Nubianto South Station

View live on the mapOfficial MBTA schedule All MBTA routes

LIVE SERVICE STATUS

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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 Nubian5:34 AM12:34 AM86~12 min
to South Station5:17 AM12:16 AM86~12 min
SaturdaySat, Oct 31to Nubian5:40 AM12:40 AM69~15 min
to South Station5:23 AM12:22 AM70~15 min
SundaySun, Nov 1to Nubian5:20 AM11:40 PM71~16 min
to South Station5:02 AM11:20 PM71~16 min

Stops & times — today, Tue, Oct 27

To Nubian · 12 stops

Departures from Essex St @ Atlantic Ave today:

5:34 AM5:46 AM5:57 AM6:09 AM6:21 AM6:32 AM6:44 AM6:56 AM7:12 AM7:29 AM7:44 AM7:54 AM8:03 AM8:12 AM8:23 AM8:35 AM8:46 AM8:57 AM9:07 AM9:17 AM9:28 AM9:39 AM9:50 AM10:01 AM10:13 AM10:24 AM10:35 AM10:46 AM10:57 AM11:09 AM11:20 AM11:31 AM11:42 AM11:53 AM12:16 PM12:38 PM12:53 PM1:15 PM1:36 PM1:57 PM2:18 PM2:34 PM2:56 PM3:11 PM3:21 PM3:32 PM3:44 PM3:55 PM4:07 PM4:18 PM4:30 PM4:42 PM4:54 PM5:06 PM5:17 PM5:29 PM5:41 PM5:52 PM6:03 PM6:15 PM6:27 PM6:39 PM6:50 PM7:01 PM7:12 PM7:23 PM7:33 PM7:44 PM7:55 PM8:03 PM8:13 PM8:23 PM+ 14 more

  1. 1

    Essex St @ Atlantic Ave

    First 5:34 AM · Last 12:34 AM (+1 day) · 86 scheduled departures

  2. 2

    Chinatown Gate

    First 5:36 AM · Last 12:36 AM (+1 day) · 86 scheduled departures

  3. 3

    Washington St @ Tufts Med Ctr

    First 5:38 AM · Last 12:38 AM (+1 day) · 86 scheduled departures

  4. 4

    Washington St @ Herald St

    First 5:40 AM · Last 12:40 AM (+1 day) · 86 scheduled departures

  5. 5

    Washington St @ E Berkeley St

    First 5:41 AM · Last 12:41 AM (+1 day) · 86 scheduled departures

  6. 6

    Washington St @ W Dedham St

    First 5:43 AM · Last 12:43 AM (+1 day) · 86 scheduled departures

  7. 7

    Washington St @ W Newton St

    First 5:44 AM · Last 12:44 AM (+1 day) · 86 scheduled departures

  8. 8

    Washington St @ Worcester St

    First 5:45 AM · Last 12:45 AM (+1 day) · 86 scheduled departures

  9. 9

    Washington St @ Massachusetts Ave

    First 5:45 AM · Last 12:46 AM (+1 day) · 86 scheduled departures

  10. 10

    Washington St @ Lenox St

    First 5:46 AM · Last 12:47 AM (+1 day) · 86 scheduled departures

  11. 11

    Washington St @ Melnea Cass Blvd

    First 5:48 AM · Last 12:49 AM (+1 day) · 86 scheduled departures

  12. 12

    Nubian

    First 5:51 AM · Last 12:52 AM (+1 day) · 86 scheduled departures

To South Station · 12 stops

Departures from Nubian today:

5:17 AM5:30 AM5:41 AM5:53 AM6:05 AM6:16 AM6:28 AM6:40 AM6:51 AM7:06 AM7:21 AM7:30 AM7:39 AM7:48 AM7:59 AM8:12 AM8:22 AM8:32 AM8:43 AM8:54 AM9:05 AM9:16 AM9:27 AM9:37 AM9:47 AM9:57 AM10:08 AM10:19 AM10:30 AM10:42 AM10:53 AM11:04 AM11:15 AM11:26 AM11:49 AM12:11 PM12:26 PM12:48 PM1:09 PM1:30 PM1:51 PM2:07 PM2:28 PM2:44 PM2:54 PM3:05 PM3:17 PM3:28 PM3:40 PM3:51 PM4:03 PM4:15 PM4:27 PM4:39 PM4:50 PM5:02 PM5:14 PM5:25 PM5:36 PM5:48 PM6:00 PM6:12 PM6:23 PM6:34 PM6:46 PM6:58 PM7:10 PM7:22 PM7:32 PM7:42 PM7:52 PM8:02 PM+ 14 more

  1. 1

    Nubian

    First 5:17 AM · Last 12:16 AM (+1 day) · 86 scheduled departures

  2. 2

    Washington St @ Melnea Cass Blvd - Silver Line

    First 5:18 AM · Last 12:17 AM (+1 day) · 86 scheduled departures

  3. 3

    Washington St @ Lenox St

    First 5:19 AM · Last 12:17 AM (+1 day) · 86 scheduled departures

  4. 4

    Washington St @ Massachusetts Ave

    First 5:19 AM · Last 12:17 AM (+1 day) · 86 scheduled departures

  5. 5

    Washington St @ Worcester St

    First 5:19 AM · Last 12:18 AM (+1 day) · 86 scheduled departures

  6. 6

    Washington St @ E Newton St

    First 5:20 AM · Last 12:18 AM (+1 day) · 86 scheduled departures

  7. 7

    Washington St @ Union Pk

    First 5:21 AM · Last 12:20 AM (+1 day) · 86 scheduled departures

  8. 8

    Washington St @ E Berkeley St

    First 5:22 AM · Last 12:21 AM (+1 day) · 86 scheduled departures

  9. 9

    Washington St @ Herald St

    First 5:23 AM · Last 12:22 AM (+1 day) · 86 scheduled departures

  10. 10

    Washington St @ Tufts Med Ctr

    First 5:25 AM · Last 12:23 AM (+1 day) · 86 scheduled departures

  11. 11

    Washington St @ Essex St

    First 5:27 AM · Last 12:25 AM (+1 day) · 86 scheduled departures

  12. 12

    Essex St @ Atlantic Ave

    First 5:31 AM · Last 12:30 AM (+1 day) · 86 scheduled departures

MBTA Route SL4 Nubian Station - South Station — questions

What time does MBTA Route SL4 Nubian Station - South Station run on weekdays?

On a typical weekday (Tue, Oct 27), the first MBTA Route SL4 Nubian Station - South Station departure is 5:34 AM and the last is 12:34 AM, running roughly every 12 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 SL4 Nubian Station - South Station go?

MBTA Route SL4 Nubian Station - South Station serves 22 stops: Essex St @ Atlantic Ave → Nubian (to Nubian); Nubian → Essex St @ Atlantic Ave (to South Station). The full ordered stop list with first and last departure times is on this page.

Does MBTA Route SL4 Nubian Station - South Station run on weekends?

Yes — Saturday service runs 139 trips; Sunday service runs 142 trips. See the schedule summary for first and last times.

Is MBTA Route SL4 Nubian Station - South Station 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 SL4 Nubian Station - South Station 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 Bus 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: “Nubian Station - South Station”. WorldEye is a free viewer — for fares, passes and official notices, see MBTA's own site.

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