Timetable Test

Long wait · New York · Sat Oct 10

16 min with no 1 train

At 181 St, toward South Ferry, between 9:23 pm and 9:39 pm. The schedule called for a train every 6 min.

Line
1 train
Station
181 St (station 111)
Direction
toward South Ferry
Train before
train 01 2109+ 242/SFT, passed 9:23:39 pm
Train after
train 01 2127+ 242/SFT, passed 9:39:39 pm
Gap
16 min (960 s)
Scheduled gap
6 min
Collector
running the whole time

Scheduled against seen

Each tick is a train at 181 St toward South Ferry. The two trains either side of the gap are labeled.

ScheduledSeen01 2109+ 201 2127+ 28:45 pm9:00 pm9:15 pm9:30 pm9:45 pm10:00 pm10:15 pm16 min gap

What the MTA feed said

The MTA feed reports each train's next stop. A train has passed 181 St when its next stop moves past it.

SnapshotTrain 01 2109+ 242/SFT (before)Train 01 2127+ 242/SFT (after)
9:22:09 pmnext stop 191 Stnot in service yet
9:23:09 pmnext stop 181 Stnot in service yet
9:24:09 pmnext stop 168 St-Washington Htsnot in service yet
9:25:09 pmnext stop 168 St-Washington Htsnot in service yet
9:26:09 pmnext stop 157 Stnot in service yet
9:27:09 pmnext stop 157 Stnot in service yet
9:28:09 pmnext stop 145 Stnext stop 238 St
9:29:09 pmnext stop 145 Stnext stop 231 St
9:30:09 pmnext stop 137 St-City Collegenext stop 231 St
9:31:09 pmnext stop 137 St-City Collegenext stop Marble Hill-225 St
9:32:09 pmnext stop 137 St-City Collegenext stop 215 St
9:33:09 pmnext stop 96 Stnext stop 207 St
9:34:09 pmnext stop 96 Stnext stop 207 St
9:35:09 pmnext stop 96 Stnext stop Dyckman St
9:36:09 pmnext stop 96 Stnext stop 191 St
9:37:09 pmnext stop 96 Stnext stop 191 St

Showing 16 of 20 snapshots in the gap. The full record, every train on the line minute by minute, is in 2026-10-10-1-gap-77979.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.