WARNINGGTFS Schedule notice

The interval between departures is over an hour

headway_too_large
Severity
WARNING
Files to check
1
Report fields
3
Documentation
Curated

Diagnosis

What this notice means

A frequencies.txt row has headway_secs greater than 3600.

Operational effect

Why it matters

The interval may use the wrong units, or a fixed timetable may describe the service more clearly.

Scope

Files to check and report fields

Report fieldTypeMeaning
csvRowNumberintegerContext included in the report.
fieldNamestringContext included in the report.
filenamestringContext included in the report.

Repair

How to fix it

  1. 1

    Check that headway_secs is in seconds: 15 minutes is 900, for example.

  2. 2

    Correct a unit error. If departures run at published fixed times, consider explicit scheduled trips; retain a verified long interval for genuinely frequency-based service.

  3. 3
    Check the result

    After a repair, rebuild the archive and validate it again. Confirm that the affected records are correct and that no new related notices appeared. A reviewed warning or informational notice may remain when it describes intentional, supported data.

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Sources

References