forbidden_prior_day_booking_field_value

A forbidden field value is present for a prior-day booking rule in booking_rules.txt

ERRORGTFSintegritydraftMobilityData canonical GTFS Schedule validator

Related

• Source: MobilityData canonical GTFS Schedule validator

Citations

[1] forbidden_prior_day_booking_field_value rule reference

Rule metadata

Code	forbidden_prior_day_booking_field_value
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#forbidden_prior_day_booking_field_value