Feed status · checked 2026-06-16
Marin Transit
Based on the feed this agency publishes
First scorecard for this agency
A data-quality and completeness lens to help an agency improve its feed. Not the official Caltrans or Cal-ITP compliance determination. New to this? How to read your scorecard. Interactive view. Rubric v1.1, validator 8.0.1.
Top things to fix
Review the rule documentation for 'trip_distance_exceeds_shape_distance' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Trip distance exceeds shape distance (flagged by the MobilityData validator). See the linked rule for what this affects.
⏱ Varies.
Review the rule documentation for 'missing_required_column' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Missing required column (flagged by the MobilityData validator). See the linked rule for what this affects.
⏱ Varies.
Set wheelchair_accessible on every trip (most small-agency fleets are 100% accessible, so this is often a single default).
532 of 1612 trips don't say whether the vehicle is wheelchair accessible. Even with accessible stops, riders need to know the bus itself can take them.
⏱ Often one default setting in your export.
Score by category
The MobilityData validator flagged 6 kinds of issues: 55 error, 5 warning, and 8 informational instances in total.
Service data covers the next 54 days.
100% of stops state wheelchair accessibility (71% marked accessible). Fare data is published.
Not scored yet. Nothing here counts against the grade.
Over time
This is the first scorecard for this agency. A trend and a "what changed" summary appear here once it has been checked more than once.
Everything we checked
- Error53 instances
Trip distance exceeds shape distance (flagged by the MobilityData validator).
See the linked rule for what this affects.
Fix: Review the rule documentation for 'trip_distance_exceeds_shape_distance' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed. (Varies.)
Validator rule: trip_distance_exceeds_shape_distance
- Error2 instances
Missing required column (flagged by the MobilityData validator).
See the linked rule for what this affects.
Fix: Review the rule documentation for 'missing_required_column' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed. (Varies.)
Validator rule: missing_required_column · Read the fix guide
- Warning532 instances
532 of 1612 trips don't say whether the vehicle is wheelchair accessible.
Even with accessible stops, riders need to know the bus itself can take them.
Fix: Set wheelchair_accessible on every trip (most small-agency fleets are 100% accessible, so this is often a single default). (Often one default setting in your export.)
Validator rule: scorecard_wheelchair_accessible_unknown · Read the fix guide
- Warning5 instances
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.
Fix: Remove past service periods the next time you export the feed. (One setting in most export tools.)
Validator rule: expired_calendar · Read the fix guide
- Info6 instances
Unknown file (flagged by the MobilityData validator).
See the linked rule for what this affects.
Fix: Review the rule documentation for 'unknown_file' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed. (Varies.)
Validator rule: unknown_file · Read the fix guide
- Info1 instance
Feed valid beyond total service window (flagged by the MobilityData validator).
See the linked rule for what this affects.
Fix: Review the rule documentation for 'feed_valid_beyond_total_service_window' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed. (Varies.)
Validator rule: feed_valid_beyond_total_service_window
- Info1 instance
Some files contain columns that are not part of the GTFS spec.
Harmless to riders, but apps ignore these columns and they can hide typos in real column names.
Fix: Check the flagged column names for misspellings of standard GTFS fields; remove them if they are vendor extras. (A quick look at the flagged files.)
Validator rule: unknown_column · Read the fix guide