Timetable Test

Bunched trains · New York · Sat Oct 10

Two Q trains in the same minute

At 7 Av, toward Prospect Park, between 11:07 pm and 11:08 pm. The schedule called for a train every 8 min.

Line
Q train
Station
7 Av (station D25)
Direction
toward Prospect Park
Train before
train 1Q 2211 962/PPK, passed 11:07:54 pm
Train after
train 1Q 2203 962/PPK, passed 11:08:39 pm
Gap
1 min (45 s)
Scheduled gap
8 min
Collector
running the whole time

Scheduled against seen

Each tick is a train at 7 Av toward Prospect Park. The two trains either side of the bunch are labeled.

ScheduledSeen1Q 2211 961Q 2203 9610:30 pm10:45 pm11:00 pm11:15 pm11:30 pm11:45 pm1 min gap

What the MTA feed said

The MTA feed reports each train's next stop. A train has passed 7 Av when its next stop moves past it.

SnapshotTrain 1Q 2211 962/PPK (before)Train 1Q 2203 962/PPK (after)
11:06:09 pmnext stop Atlantic Av-Barclays Ctrnext stop 7 Av
11:07:09 pmnext stop Atlantic Av-Barclays Ctrnext stop 7 Av
11:08:09 pmnext stop Prospect Parknext stop 7 Av
11:09:09 pmnext stop 7 Avnext stop Prospect Park
11:10:09 pmnext stop 7 Avnext stop Prospect Park

Showing 5 of 5 snapshots in the gap. The full record, every train on the line minute by minute, is in 2026-10-10-q-bunch-83319.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.