Dataset should cover at least the next 30 days of service.
horizon_days = 30[1] feed_expiration_date30_days rule reference
| Code | feed_expiration_date30_days |
|---|---|
| Standard | GTFS |
| Source | MobilityData canonical GTFS Schedule validator |
| Severity | WARNING |
| Category | currency |
| Maturity | draft |
| Tags | mobilitydata, gtfs, currency |
| Retrieved | 2026-06-12 |
| Reference | https://gtfs-validator.mobilitydata.org/rules.html#feed_expiration_date30_days |