Timetable Test

Bunched trains · New York · Sat Oct 10

Two F trains in the same minute

At 42 St-Bryant Pk, toward Jamaica-179 St, between 11:43 pm and 11:43 pm. The schedule called for a train every 12 min.

Line
F train
Station
42 St-Bryant Pk (station D16)
Direction
toward Jamaica-179 St
Train before
train 1F 2238 STL/179, passed 11:43:39 pm
Train after
train 1F 2226 STL/179, passed 11:43:54 pm
Gap
0 min (15 s)
Scheduled gap
12 min
Collector
running the whole time

Scheduled against seen

Each tick is a train at 42 St-Bryant Pk toward Jamaica-179 St. The two trains either side of the bunch are labeled.

ScheduledSeen1F 2238 ST1F 2226 ST11:15 pm11:30 pm11:45 pm12:00 am12:15 am0 min gap

What the MTA feed said

The MTA feed reports each train's next stop. A train has passed 42 St-Bryant Pk when its next stop moves past it.

SnapshotTrain 1F 2238 STL/179 (before)Train 1F 2226 STL/179 (after)
11:42:09 pmnext stop 23 Stnext stop 34 St-Herald Sq
11:43:09 pmnext stop 42 St-Bryant Pknext stop 34 St-Herald Sq
11:44:09 pmnext stop 34 St-Herald Sqnext stop 47-50 Sts-Rockefeller Ctr
11:45:09 pmnext stop 42 St-Bryant Pknext stop 47-50 Sts-Rockefeller Ctr

Showing 4 of 4 snapshots in the gap. The full record, every train on the line minute by minute, is in 2026-10-10-f-bunch-85434.json.

Check it yourself

Scheduled times come from the MTA's supplemented GTFS schedule for Sat Oct 10. Positions come from the MTA feed, polled once a minute. The raw records above are exactly what MTA's servers returned. How the numbers are worked out.