overlapping_frequency

Trip frequencies overlap.

ERRORGTFSsemanticdraftMobilityData canonical GTFS Schedule validator

Related

• Source: MobilityData canonical GTFS Schedule validator

Citations

[1] overlapping_frequency rule reference

Rule metadata

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