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Call-prep brief · checked 2026-07-19

SWU Verkehr (Ulm/Neu-Ulm)

Grade B · 86.6 / 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

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

    739 of 739 stops 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.

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

  2. Add fare_attributes.txt (or Fares v2 files) with your fare structure. If your service is fare-free, ask to have it marked fare-free instead.

    The feed contains no fare information. Riders see 'fare unknown' in trip planners and can't budget their trip; visitors are most affected.

    Effort: A small file for most flat-fare systems.

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

    Unsorted stop times (flagged by the MobilityData validator). See the linked rule for what this affects.

    Effort: Varies.

Key facts

Feed URL
https://gtfs.swu.de/daten/SWU.zip
Last checked
2026-07-19
Service window
165 days of service data remain. Last service date 2026-12-31.
Feed version
20260312
Location
Baden-Württemberg, Germany

A data-quality and completeness read to support an agency conversation. Not an official compliance determination. Rubric v1.2, validator 8.0.1.