Marin Transit

A file is missing a column that GTFS requires.

Apps may reject the whole file, so riders could lose the affected routes or stops.

Fix: Add the required column named in the finding to the flagged file. (Often an export setting; ask your vendor if it recurs.)

Finding code: missing_required_column · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

The trip updates realtime feed failed during sampling.

When this feed is down, riders see scheduled times presented as if they were live.

Fix: Check the trip updates endpoint with your AVL vendor; it should return a fresh GTFS-Realtime protobuf on every request. (Usually a vendor support ticket.)

Finding code: scorecard_rt_trip_updates_unreachable · Read the fix guide · See GTFS-Realtime reference (opens the GTFS-Realtime reference on an external site)

The vehicle positions realtime feed failed during sampling.

When this feed is down, riders see scheduled times presented as if they were live.

Fix: Check the vehicle positions endpoint with your AVL vendor; it should return a fresh GTFS-Realtime protobuf on every request. (Usually a vendor support ticket.)

Finding code: scorecard_rt_vehicle_positions_unreachable · Read the fix guide · See GTFS-Realtime reference (opens the GTFS-Realtime reference on an external site)

The service alerts realtime feed failed during sampling.

When this feed is down, riders see scheduled times presented as if they were live.

Fix: Check the service alerts endpoint with your AVL vendor; it should return a fresh GTFS-Realtime protobuf on every request. (Usually a vendor support ticket.)

Finding code: scorecard_rt_service_alerts_unreachable · Read the fix guide · See GTFS-Realtime reference (opens the GTFS-Realtime reference on an external site)

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. If every vehicle is accessible, this may be one default; otherwise use the value for each trip. (A default or per-trip field in your export.)

Finding code: scorecard_wheelchair_accessible_unknown · Read the fix guide · See GTFS Schedule reference (opens the GTFS Schedule reference on an external site)

Some stops sit far from the route line, going by the feed's own distance values.

Trip planners may draw the route down the wrong streets or point riders to the wrong corner.

Fix: Check the flagged stops' shape_dist_traveled against the route shape, and re-generate it on export if they disagree. (Usually an export-tool fix, not hand editing.)

Finding code: stop_too_far_from_shape_using_user_distance · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

This feed models stations or entrances but has no pathways.txt.

Trip planners can't guide riders through the station, and there is no step-free route information for wheelchair users.

Fix: Add pathways.txt connecting entrances, platforms, and any elevators, with a level for each. (Worth it for multi-level or large stations; flat stops don't need it.)

Finding code: scorecard_station_no_pathways · Read the fix guide · See GTFS Schedule reference (opens the GTFS Schedule reference on an external site)

The feed includes a file that is not part of the GTFS spec.

Apps ignore files they don't know, and a stray file can hide a misspelled standard file name.

Fix: Check the flagged file name for a typo of a standard GTFS file. Remove it if it is a vendor extra. (A quick look at the flagged file.)

Finding code: unknown_file · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

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.)

Finding code: feed_valid_beyond_total_service_window · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

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.)

Finding code: unknown_column · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)