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Board packet · transit data quality · checked 2026-08-23

Nassau Inter-County Express (NICE Bus)

Grade F · 51.4 / 100

Up 19.6 points since 2026-08-22 (F to F).

What this grade measures

The quality of the schedule data in the feed scored here for trip-planning apps: whether riders using Google Maps, Apple Maps, or Transit see current, correct, and complete information. It measures the data feed, not service quality or operations.

Progress this period

Since the previous compatible check, 1 finding was no longer reported:

  • The service alerts realtime feed failed during sampling.

This records feed state, not who made a change or why.

What needs attention next

Three improvements, in priority order, each sized so the board can see what it is approving:

  1. Re-export with a validity window that reaches at least 60 days out.

    Service data runs out in 20 day(s). When the calendar runs out, trip planners stop showing this agency. Fixing it now is calmer than after riders notice.

    Estimated effort: One export setting.

  2. 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.

    Estimated effort: Varies.

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

    2469 of 2469 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.

    Estimated 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
Service data runs out in 20 day(s).
Next action
Re-export with a validity window that reaches at least 60 days out.
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

Produced by the GTFS Scorecard, an open-source data quality tool. A data-quality read to support the board conversation, not an official compliance determination. Live scorecard: https://gtfsscorecard.org/agency/nassau-inter-county-express-nice-bus/. Rubric v1.3, validator 8.0.1.