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Call-prep brief · checked 2026-07-09

Ship Island Excursions

Grade A · 98.2 / 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. Remove past service periods the next time you export the feed.

    Some service calendars in the feed have already expired. Expired calendars are dead weight and can hide real schedule problems from your staff and vendors.

    Effort: One setting in most export tools.

    Agencies here usually clear this within about 1 week (based on 61 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 127 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/guis/guis-ferry-service-ms.zip
Last checked
2026-07-09
Service window
115 days of service data remain. Last service date 2026-11-01.
Feed version
20260303
State
Mississippi

Part of the Mississippi 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.