Call-prep brief · checked 2026-07-19
Yolé (Challans)
Grade D · 63.8 / 100
First check for this agency, so there is no trend yet.
For this call: lead with the grade and the three fixes below, then confirm the feed is current and the rider information is complete. Each fix is framed as a next step, not a failure.
What changed since the last check
No category changes since the last check.
Top three things to fix
Review the rule documentation for 'missing_required_file' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Missing required file (flagged by the MobilityData validator). See the linked rule for what this affects.
Effort: Varies.
Review the rule documentation for 'invalid_input_files_in_subfolder' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Invalid input files in subfolder (flagged by the MobilityData validator). See the linked rule for what this affects.
Effort: Varies.
Review the rule documentation for 'missing_calendar_and_calendar_date_files' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Missing calendar and calendar date files (flagged by the MobilityData validator). See the linked rule for what this affects.
Effort: Varies.
Key facts
- Feed URL
- https://transport.data.gouv.fr/resources/83969/download
- Last checked
- 2026-07-19
- Service window
- 73 days of service data remain. Last service date 2026-09-30.
- Location
- Pays-de-la-Loire, France
A data-quality and completeness read to support an agency conversation. Not an official compliance determination. Rubric v1.2, validator 8.0.1.