Boston / Bus
MBTA 504 live tracking and departures
Watertown Yard - Federal Street & Franklin Street · America/New_York
Selected branch: Watertown via Copley and Newton Corner (Express) · 12 stops.
504 live vehicle tracking
Live predictions available. Fresh vehicle positions only; 2 fresh vehicles matched to this route. The map shows vehicles assigned to the selected stopping pattern. Vehicles on other branches may be omitted.
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Official route geometry · 0 fresh vehicles on selected branch
Positions refresh every 30 seconds. An absent marker does not establish a canceled trip. Predictions and vehicle positions can have different availability.
Next departures from Federal St @ Franklin St
Watertown via Copley and Newton Corner (Express)Live
24 min6:25 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Live
41 min6:42 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Live
56 min6:57 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Scheduled
7:15 AM7:15 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Scheduled
7:35 AM7:35 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Scheduled
7:51 AM7:51 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Scheduled
8:15 AM8:15 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Scheduled
8:35 AM8:35 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Scheduled
8:57 AM8:57 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Scheduled
9:12 AM9:12 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Scheduled
9:47 AM9:47 AM · Tue, Oct 27
Watertown via Copley and Newton Corner (Express)Scheduled
10:26 AM10:26 AM · Tue, Oct 27
Live predictions available · Live predictions and published schedule fallbacks are labeled on each departure.
More MBTA travel information
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 ↗