Timetable Test

Bunched trains · New York · Sat Oct 10

Two 4 trains 1 min apart

At Nevins St, toward Woodlawn, between 7:58 pm and 7:59 pm. The schedule called for a train every 12 min.

Line
4 train
Station
Nevins St (station 234)
Direction
toward Woodlawn
Train before
train 04 1940+ UTI/WDL, passed 7:58:38 pm
Train after
train 04 1946+ UTI/WDL, passed 7:59:38 pm
Gap
1 min (60 s)
Scheduled gap
12 min
Collector
missed some minutes nearby, see the record

Scheduled against seen

Each tick is a train at Nevins St toward Woodlawn. The two trains either side of the bunch are labeled.

ScheduledSeen04 1940+ U04 1946+ U7:30 pm7:45 pm8:00 pm8:15 pm8:30 pm1 min gap

What the MTA feed said

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

SnapshotTrain 04 1940+ UTI/WDL (before)Train 04 1946+ UTI/WDL (after)
7:57:08 pmnext stop Nevins Stnext stop Atlantic Av-Barclays Ctr
7:58:08 pmnext stop Nevins Stnext stop Atlantic Av-Barclays Ctr
7:59:08 pmnext stop Borough Hallnext stop Nevins St
8:00:08 pmnext stop Borough Hallnext stop Borough Hall
8:01:08 pmnext stop Bowling Greennext stop Borough Hall

Showing 5 of 5 snapshots in the gap. The full record, every train on the line minute by minute, is in 2026-10-10-4-bunch-71978.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.