src/main/java/com/conveyal/gtfs/GTFSFeed.java
public List<StopTime> getStopTimesForStop (String stop_id) {
        SortedSet<Tuple2<String, Tuple2>> index = this.stopStopTimeSet
                .subSet(new Tuple2<>(stop_id, null), new Tuple2(stop_id, Fun.HI));

        return index.stream()
                .map(tuple -> this.stop_times.get(tuple.b))
                .collect(Collectors.toList());
    }
public List<StopTime> getStopTimesForStop (String stop_id) {
        SortedSet<Tuple2<String, Tuple2>> index = this.stopStopTimeSet
                .subSet(new Tuple2<>(stop_id, null), new Tuple2(stop_id, Fun.HI));

        return index.stream()
                .map(tuple -> this.stop_times.get(tuple.b))
                .collect(Collectors.toList());
    }
Get list of stop_times for a given stop_id.