GTFS Scorecard

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Call-prep brief · checked 2026-08-23

Boston Harbor Islands Ferry

Grade A · 95.6 / 100

Down 0.4 points since 2026-08-22 (A to A).

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 down 1.7
  • Rider experience no change

Top three things to fix

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

    Feed valid beyond total service window (flagged by the MobilityData validator). See the linked rule for what this affects.

    Effort: Varies.

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
Feed valid beyond total service window (flagged by the MobilityData validator).
Next action
Review the rule documentation for 'feed_valid_beyond_total_service_window' 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

NTD GTFS readiness: Ready

Published at a public URL, valid, current, and identified with agency_id: the four feed checks for RY2026 all hold here. Only your own D-10 and P-50 filings make that official; this is a heads-up, not a determination.

Published Ready
Published at a public URL.
Valid Ready
Passes validation with no errors.
Current Ready
Service data covers the next 50 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.

Key facts

Feed URL
https://www.nps.gov/external-resources/gtfs/boha/boston-harbor-islands-ferry.zip
Last checked
2026-08-23
Service window
50 days of service data remain. Last service date 2026-10-12.
Feed version
20260804
Location
Massachusetts

Part of the New York portfolio: see where this agency sits among the state's feeds 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.