Timetable Test

Bunched trains · New York · Sat Oct 10

Two Q trains 2 min apart

At DeKalb Av, toward Prospect Park, between 7:50 pm and 7:52 pm. The schedule called for a train every 11 min.

Line
Q train
Station
DeKalb Av (station R30)
Direction
toward Prospect Park
Train before
train 1Q 1911 962/PPK, passed 7:50:38 pm
Train after
train 1Q 1922 962/PPK, passed 7:52:38 pm
Gap
2 min (120 s)
Scheduled gap
11 min
Collector
missed some minutes nearby, see the record

Scheduled against seen

Each tick is a train at DeKalb Av toward Prospect Park. The two trains either side of the bunch are labeled.

ScheduledSeen1Q 1911 961Q 1922 967:15 pm7:30 pm7:45 pm8:00 pm8:15 pm8:30 pm2 min gap

What the MTA feed said

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

SnapshotTrain 1Q 1911 962/PPK (before)Train 1Q 1922 962/PPK (after)
7:49:08 pmnext stop DeKalb Avnext stop DeKalb Av
7:50:08 pmnext stop DeKalb Avnext stop DeKalb Av
7:51:08 pmnext stop Atlantic Av-Barclays Ctrnext stop DeKalb Av
7:52:08 pmnext stop Atlantic Av-Barclays Ctrnext stop DeKalb Av
7:53:08 pmnext stop Atlantic Av-Barclays Ctrnext stop Atlantic Av-Barclays Ctr
7:54:08 pmnext stop 7 Avnext stop Atlantic Av-Barclays Ctr

Showing 6 of 6 snapshots in the gap. The full record, every train on the line minute by minute, is in 2026-10-10-q-bunch-71558.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.