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Call-prep brief · checked 2026-07-19

Chikuma City Loop Bus (千曲市循環バス)

Grade C · 75.2 / 100

Unchanged since 2026-07-18.

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

    269 of 269 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. Set wheelchair_accessible on every trip. If every vehicle is accessible, this may be one default; otherwise use the value for each trip.

    130 of 130 trips don't say whether the vehicle is wheelchair accessible. Even with accessible stops, riders need to know the bus itself can take them.

    Effort: A default or per-trip field in your export.

  3. Only change the flagged IDs if an app needs basic ASCII values. Update each place that uses the ID. Keep all names and headsigns in their original language.

    Some internal IDs use characters outside the basic text set. These IDs are valid UTF-8 data. This warning is only about support in older apps. It does not mean that names in other languages are wrong.

    Effort: A planned ID change, not a quick text cleanup.

Key facts

Feed URL
https://api.gtfs-data.jp/v2/organizations/chikumacity/feeds/chikumajunkanbus/files/feed.zip?rid=current
Last checked
2026-07-19
Service window
255 days of service data remain. Last service date 2027-03-31.
Feed version
2026/06/25改正-見える化ver2.6e
Location
Nagano, Japan

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