Explore/Boston/Stop ID 4257

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MBTA / BOARDING STOP

Union St @ Prospect Ave

Stop code 4257 · MBTA network

Union St @ Prospect Ave

Next departures

America/New_York

238

Quincy CenterLive · estimated time

2 min10:40 AM · Tue, Oct 27 · scheduled 10:42 AM

240

AshmontLive · estimated time

19 min10:57 AM · Tue, Oct 27 · scheduled 10:57 AM

238

Quincy CenterLive · estimated time

57 min11:35 AM · Tue, Oct 27 · scheduled 11:37 AM

240

AshmontScheduled · estimated time

11:57 AM11:57 AM · Tue, Oct 27

238

Quincy CenterScheduled · estimated time

12:37 PM12:37 PM · Tue, Oct 27

240

AshmontScheduled · estimated time

12:57 PM12:57 PM · Tue, Oct 27

238

Quincy CenterScheduled · estimated time

1:37 PM1:37 PM · Tue, Oct 27

240

AshmontScheduled · estimated time

1:50 PM1:50 PM · Tue, Oct 27

238

Quincy CenterScheduled · estimated time

2:32 PM2:32 PM · Tue, Oct 27

240

AshmontScheduled · estimated time

2:50 PM2:50 PM · Tue, Oct 27

238

Quincy CenterScheduled · estimated time

3:37 PM3:37 PM · Tue, Oct 27

240

AshmontScheduled · estimated time

3:54 PM3:54 PM · Tue, Oct 27

Live predictions availableRefreshes every 30 seconds

Routes at this boarding location

Holbrook/Randolph Station - Quincy Center Station

Schedules, stops & departures

Avon Square - Ashmont Station

Schedules, stops & departures

Other stops nearby

◎Union St @ Fencourt Ave↗◎316 Union St opp Fencourt Ave↗◎Union St @ Boothby Cir↗

Nearby locations are based on coordinates; walking connections have not been verified.

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Published MBTA schedule

Imported Oct 23, 2026 · 19:06 UTC · Service dates 2026-10-14 through 2026-12-12. See data status

Schedule and realtime data provided by MassDOT / MBTA. Source details ↗