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Call-prep brief · checked 2026-10-15

Réseau maritime Corsica Ferries

Grade F · 58.3 / 100

Unchanged since 2026-10-14.

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

  • Correctness no change
  • Freshness no change
  • Rider experience no change

Top three things to fix

  1. Review the rule documentation for 'missing_required_field' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.

    Missing required field (flagged by the MobilityData validator). See the linked rule for what this affects.

    This is a validator notice, and the validator decides what each instance covers, so no share of the network can be read from it here.

    Effort: Varies.

  2. Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every terminal. A field survey can start with the busiest terminals.

    18 of 18 terminals don't say whether a wheelchair user can board there. Riders who use wheelchairs can't plan a trip when accessibility is marked 'unknown'; apps show no information at all.

    Fixing this covers all 18 stops in the feed.

    Effort: A column in stops.txt; your scheduling software likely has it.

  3. Add the destination, direction, or 'via' label riders actually see to trip_headsign. Do not copy the route name. If the label changes during the trip, use stop_headsign.

    5020 of 5020 trips have no headsign, the text that tells riders where the vessel is going. A trip counts when it has trip_headsign or a stop_headsign at every terminal. When a route has multiple directions or patterns, the route name alone may not tell riders which service is coming.

    The feed's trips count is not published here, so no share is reported.

    Effort: Usually one value per route pattern in your scheduling source.

Riders and need behind these fixes

  • Rider-trip figures come from the United States National Transit Database, which does not cover this feed's country.
  • The served-area need overlays cover the United States and Canada, so none of them applies to this feed.

These describe this feed only. They do not rank agencies, and they do not change the grade or the order of the fixes.

Finding handoff

Move one finding to a recheck

Select one finding. Copy the request, make the change in the feed-producing tool, then compare the next complete run.

Feed evidence
Missing required field (flagged by the MobilityData validator).
Next action
Review the rule documentation for 'missing_required_field' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Recheck
Publish the changed feed at the same URL. On the next complete, comparable scorecard run, confirm that this finding is no longer reported.
Copy handoff text

Key facts

Feed URL
https://www.data.gouv.fr/api/1/datasets/r/b95d6838-1143-4653-840f-eebc33c16fa7
Last checked
2026-10-15
Service window
76 days of service data remain. Last service date 2026-12-30.
Location
Corse, France

Part of the France portfolio: see where this agency sits among the other feeds in that group before the call.

A data-quality and completeness read to support an agency conversation. Not an official compliance determination. Rubric v1.4, validator 8.0.1.