Timetable Test

Long wait · New York · Sat Oct 10

29 min with no D train

At 155 St, toward Norwood-205 St, between 7:36 pm and 8:05 pm. The schedule called for a train every 12 min.

Line
D train
Station
155 St (station D12)
Direction
toward Norwood-205 St
Train before
train 1D 1824+ STL/205, passed 7:36:38 pm
Train after
train 1D 1842+ STL/205, passed 8:05:38 pm
Gap
29 min (1740 s)
Scheduled gap
12 min
Collector
missed some minutes nearby, see the record

Scheduled against seen

Each tick is a train at 155 St toward Norwood-205 St. The two trains either side of the gap are labeled.

ScheduledSeen1D 1824+ S1D 1842+ S7:00 pm7:15 pm7:30 pm7:45 pm8:00 pm8:15 pm8:30 pm8:45 pm29 min gap

What the MTA feed said

The MTA feed reports each train's next stop. A train has passed 155 St when its next stop moves past it.

SnapshotTrain 1D 1824+ STL/205 (before)Train 1D 1842+ STL/205 (after)
7:35:08 pmnext stop 155 Stnext stop W 4 St-Wash Sq
7:37:08 pmnext stop 161 St-Yankee Stadiumnext stop 34 St-Herald Sq
7:39:08 pmnext stop 161 St-Yankee Stadiumnext stop 34 St-Herald Sq
7:41:08 pmnext stop 161 St-Yankee Stadiumnext stop 42 St-Bryant Pk
7:43:08 pmnext stop 167 Stnext stop 47-50 Sts-Rockefeller Ctr
7:45:08 pmnext stop 170 Stnext stop 7 Av
7:47:08 pmnext stop Tremont Avnext stop 59 St-Columbus Circle
7:49:08 pmnext stop 182-183 Stsnext stop 59 St-Columbus Circle
7:51:08 pmnext stop Fordham Rdnext stop 125 St
7:53:08 pmnext stop Kingsbridge Rdnext stop 125 St
7:55:08 pmnext stop Bedford Park Blvdnext stop 125 St
7:57:08 pmnext stop Bedford Park Blvdnext stop 125 St
7:59:08 pmtrip finishednext stop 145 St
8:01:08 pmtrip finishednext stop 145 St
8:03:08 pmtrip finishednext stop 155 St
8:05:08 pmtrip finishednext stop 155 St

Showing 16 of 33 snapshots in the gap. The full record, every train on the line minute by minute, is in 2026-10-10-d-gap-72338.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.