Call-prep brief · checked 2026-07-20
Fort Sumter Ferry (National Park Service)
Grade A · 98.2 / 100
First check for this agency, so there is no trend yet.
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
No category changes since the last check.
Top three things to fix
Remove past service periods the next time you export the feed.
Some service calendars in the feed have already ended. Expired calendars are dead weight and can hide real schedule problems from your staff and vendors.
Effort: One setting in most export tools.
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 128 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/fosu/fosu-ferry-service.zip
- Last checked
- 2026-07-20
- Service window
- 128 days of service data remain. Last service date 2026-11-25.
- Feed version
- 20251219
- Location
- South Carolina
A data-quality and completeness read to support an agency conversation. Not an official compliance determination. Rubric v1.2, validator 8.0.1.