Call-prep brief · checked 2026-09-01
Nottingham City Transport
Grade F · 43.5 / 100
Down 9.7 points since 2026-08-31 (F to F).
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 down 28.0
- Freshness up 10.0
- Rider experience no change
Top three things to fix
Review the rule documentation for 'block_trips_with_overlapping_stop_times' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Block trips with overlapping stop times (flagged by the MobilityData validator). See the linked rule for what this affects.
Effort: Varies.
Review the rule documentation for 'point_near_origin' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Point near origin (flagged by the MobilityData validator). See the linked rule for what this affects.
Effort: Varies.
Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops.
2413 of 2413 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.
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
- Block trips with overlapping stop times (flagged by the MobilityData validator).
- Next action
- Review the rule documentation for 'block_trips_with_overlapping_stop_times' 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
- Feed evidence
- Point near origin (flagged by the MobilityData validator).
- Next action
- Review the rule documentation for 'point_near_origin' 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
- Feed evidence
- 2413 of 2413 stops don't say whether a wheelchair user can board there.
- Next action
- Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops.
- 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://data.discoverpassenger.com/operator/nctx/dataset/current/download/gtfs
- Last checked
- 2026-09-01
- Service window
- 102 days of service data remain. Last service date 2026-12-12.
- Location
- Nottingham, United Kingdom
A data-quality and completeness read to support an agency conversation. Not an official compliance determination. Rubric v1.3, validator 8.0.1.