timeframe_only_start_or_end_time_specified

A row from timeframes.txt was found with only one of start_time and end_time specified.

ERRORGTFSintegritydraftMobilityData canonical GTFS Schedule validator

Related

• Source: MobilityData canonical GTFS Schedule validator

Citations

[1] timeframe_only_start_or_end_time_specified rule reference

Rule metadata

Code	timeframe_only_start_or_end_time_specified
Standard	GTFS
Source	MobilityData canonical GTFS Schedule validator
Severity	ERROR
Category	integrity
Maturity	draft
Tags	mobilitydata, gtfs, integrity
Retrieved	2026-06-12
Reference	https://gtfs-validator.mobilitydata.org/rules.html#timeframe_only_start_or_end_time_specified