Call-prep brief · checked 2026-07-09
Foothill Transit
Grade F · 50.9 / 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
- Realtime quality no change
Top three things to fix
Review the rule documentation for 'invalid_phone_number' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Invalid phone number (flagged by the MobilityData validator). See the linked rule for what this affects.
Effort: Varies.
Check the trip updates endpoint with your AVL vendor; it should return a fresh GTFS-Realtime protobuf on every request.
The trip updates realtime feed failed during sampling. When this feed is down, riders see scheduled times presented as if they were live.
Effort: Usually a vendor support ticket.
Agencies here usually clear this within about 1 week (based on 11 observed fixes).
Check the vehicle positions endpoint with your AVL vendor; it should return a fresh GTFS-Realtime protobuf on every request.
The vehicle positions realtime feed failed during sampling. When this feed is down, riders see scheduled times presented as if they were live.
Effort: Usually a vendor support ticket.
Agencies here usually clear this within about 1 week (based on 9 observed fixes).
NTD certification readiness: Needs attention
This feed is close to NTD-ready. 1 validator error to resolve.
- Published Ready
- Published at a public URL.
- Valid Needs attention
- 1 validator error to resolve.
- Current Ready
- Service data covers the next 122 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.
The bar this score answers to
The published guideline in California is California Transit Data Guidelines. Caltrans' published quality guidelines and compliance checklist; this rubric is anchored to them.
Key facts
- Feed URL
- https://foothilltransit.rideralerts.com/myStop/GTFS-Zip.ashx
- Last checked
- 2026-07-09
- Service window
- 114 days of service data remain. Last service date 2026-10-31.
- Feed version
- 20260701
- State
- California
Part of the California 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.