Board packet · transit data quality · checked 2026-07-09
San Diego International Airport, Metropolitan Transit System (MTS)
Grade F · 54.1 / 100
Down 0.4 points since 2026-07-08 (F to F).
What this grade measures
The quality of the schedule data this agency publishes for trip-planning apps: whether riders using Google Maps, Apple Maps, or Transit see current, correct, and complete information. It measures the data feed, not service quality or operations.
Progress this period
No newly cleared items this period. The score and trend above reflect where the feed stands today.
What needs attention next
Three improvements, in priority order, each sized so the board can see what it is approving:
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.
Estimated effort: Varies.
Review the rule documentation for 'equal_shape_distance_diff_coordinates' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Equal shape distance diff coordinates (flagged by the MobilityData validator). See the linked rule for what this affects.
Estimated effort: Varies.
Review the rule documentation for 'equal_shape_distance_same_coordinates' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.
Equal shape distance same coordinates (flagged by the MobilityData validator). See the linked rule for what this affects.
Estimated effort: Varies.
Where this agency stands
Ahead of 42% of all tracked agencies, and ahead of 54% of large agencies nationwide.
Produced by the GTFS Scorecard, an open-source data quality tool. A data-quality read to support the board conversation, not an official compliance determination. Live scorecard: https://gtfsscorecard.org/agency/san-diego-international-airport-metropolitan-transit-system-mts/. Rubric v1.1, validator 8.0.1.