This field has customer-facing text and should use Mixed Case (should contain upper and lower case letters).
[1] mixed_case_recommended_field rule reference
| Code | mixed_case_recommended_field |
|---|---|
| Standard | GTFS |
| Source | MobilityData canonical GTFS Schedule validator |
| Severity | WARNING |
| Category | quality |
| Maturity | draft |
| Tags | mobilitydata, gtfs, quality |
| Retrieved | 2026-06-12 |
| Reference | https://gtfs-validator.mobilitydata.org/rules.html#mixed_case_recommended_field |
