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Call-prep brief · checked 2026-07-09

Boston Harbor Islands Ferries

Grade A · 95.3 / 100

Unchanged since 2026-07-08.

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

Top three things to fix

  1. Set wheelchair_accessible on every trip (most small-agency fleets are 100% accessible, so this is often a single default).

    2 of 2 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: Often one default setting in your export.

    Agencies here usually clear this within about 1 week (based on 5 observed fixes).

NTD certification readiness: Ready

This feed looks ready for your NTD certification: published at a public URL, valid, and current. The official check is still your D-10 certification.

Published Ready
Published at a public URL.
Valid Ready
Passes validation with no errors.
Current Ready
Service data covers the next 108 days.

agency_id and NTD ID: Not checked yet. Setting your GTFS agency_id to your five-digit NTD ID is an optional way to line a feed up with its National Transit Database record. FTA links the two on your P-50 form, so it is not a required feed change. We don't have your NTD ID on file, so this is not checked yet.

Key facts

Feed URL
https://www.nps.gov/external-resources/gtfs/boha/thompson-island-ferry.zip
Last checked
2026-07-09
Service window
96 days of service data remain. Last service date 2026-10-13.
Feed version
20260515
State
Massachusetts

Part of the Massachusetts 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 v1.1, validator 8.0.1.