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Call-prep brief · checked 2026-07-19

Mariposa Grove Shuttle (Yosemite National Park)

Grade A · 93.1 / 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

  1. Populate trip_headsign to match what the bus displays.

    113 of 113 trips have no headsign. Riders at the stop can't tell which direction a bus is going.

    Effort: Usually a bulk edit in your scheduling software.

  2. Delete the empty calendars or set their service days.

    Some service calendars have no days of the week switched on. Trips tied to these calendars never run; they are dead data that can mask real schedule problems.

    Effort: A few minutes in your scheduling software.

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

    Service extends far in the future (flagged by the MobilityData validator). See the linked rule for what this affects.

    Effort: Varies.

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 270 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.

The bar this score answers to

The published guideline in is California Transit Data Guidelines. Caltrans' published quality guidelines and compliance checklist; this rubric is anchored to them.

Key facts

Feed URL
https://www.nps.gov/external-resources/gtfs/yose/mariposa-grove-shuttle-service.zip
Last checked
2026-07-19
Service window
270 days of service data remain. Last service date 2065-11-30.
Feed version
20260504
Location
California

A data-quality and completeness read to support an agency conversation. Not an official compliance determination. Rubric v1.2, validator 8.0.1.