Call-prep brief · checked 2026-09-13
Long Beach Transit (LBT)
Grade F · 53.9 / 100
Down 1.2 points since 2026-09-12 (F to F).
For this call: lead with the grade and the three fixes below, then confirm the feed is current and the NTD details line up. 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
- Realtime quality down 5.8
Top three things to fix
Review the rule documentation for 'trip_distance_exceeds_shape_distance' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Trip distance exceeds shape distance (flagged by the MobilityData validator). See the linked rule for what this affects.
Effort: Varies.
Review the rule documentation for 'equal_shape_distance_diff_coordinates' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Equal shape distance diff coordinates (flagged by the MobilityData validator). See the linked rule for what this affects.
Effort: Varies.
Check the trip updates endpoint with your AVL vendor; it should return a fresh GTFS-Realtime protobuf on every request.
The trip updates realtime feed failed during sampling. When this feed is down, riders see scheduled times presented as if they were live.
Effort: Usually a vendor support ticket.
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
- Trip distance exceeds shape distance (flagged by the MobilityData validator).
- Next action
- Review the rule documentation for 'trip_distance_exceeds_shape_distance' 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
- Equal shape distance diff coordinates (flagged by the MobilityData validator).
- Next action
- Review the rule documentation for 'equal_shape_distance_diff_coordinates' 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
- The trip updates realtime feed failed during sampling.
- Next action
- Check the trip updates endpoint with your AVL vendor; it should return a fresh GTFS-Realtime protobuf on every request.
- 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
NTD GTFS readiness: Needs attention
This feed is close to NTD-ready. 2 validator errors to resolve.
- Published Ready
- Published at a public URL.
- Valid Needs attention
- 2 validator errors to resolve.
- Current Ready
- Service data covers the next 146 days.
- agency_id provided Ready
- agency.txt provides agency_id. For RY2026, keep one stable value for each NTD reporter represented in the feed and crosswalk each value on the P-50 form.
agency_id equals NTD ID (optional): Not checked yet. This feed provides agency_id. For RY2026, keep one stable value for each NTD reporter represented in the feed and crosswalk it on the P-50 form. The value does not need to equal the five-digit NTD ID; we do not have that ID on file, so the optional equality comparison is not checked yet.
The bar this score answers to
The published guideline in California is California Transit Data Guidelines. Caltrans' published quality guidelines and compliance checklist; this rubric is anchored to them.
Key facts
- Feed URL
- https://drive.google.com/uc?export=download&id=1869EVa1z6m_iD6QmvRXyTHtYiaSUBROl
- Last checked
- 2026-09-13
- Service window
- 146 days of service data remain. Last service date 2027-02-06.
- Location
- California
Part of the California 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 v1.3, validator 8.0.1.