Monthly GTFS Quality Report
Foothill Transit  ·  April 2023

This is a monthly report, generated by the California Integrated Travel Project (Cal-ITP), summarizing issues discovered by MobilityData’s GTFS Validator. This report is available for viewing by the general public to support continuous improvement of GTFS data and the experience of transit passengers.

Current GTFS Feed Info

Feed End Date
Days With No Service
Has RT Feed
This feed includes GTFS-Realtime (GTFS-RT). Realtime data contributes to a better rider experience by letting riders know exactly when their bus or train is coming, as well as detour and trip cancellation info. It also enables Cal-ITP to support transit agencies with analyses such as our California Transit Speed Maps, viewable by clicking the button above. Certain feeds may include RT data but not have a speed map available. To generate a speed map, we require GTFS-RT Vehicle Positions data that matches the rest of the GTFS feed. Additionally, we don't currently generate speed maps for rail service. Please contact us at [email protected] with any questions about GTFS-RT data or suggestions for analysis products.
View Speedmap

Source URLs

Note: Links may lead directly to downloads and/or to resources that require authentication

About the April Daily Service Level Charts

  • These charts show the total hours of transit service described by the active feed for each day.
  • Since service levels often vary by the day of the week, it is split into three charts for weekdays, Saturdays, and Sundays.
  • Flat lines indicate consistent levels of service throughout the month.
  • Short drops may indicate temporary reduced service, such as for holidays, gaps in feed publishing, or potential inaccuracies.
  • Please reach out to our help desk at [email protected] with any questions.

Service hours per weekday in the active feed

Service hours per Saturday in the active feed

Service hours per Sunday in the active feed

About the April Identifier Change Charts

  • These charts show the percentage of stop and route IDs that have changed since the previous month.
  • Stop and route IDs are important identifiers for GTFS feed consumers to correctly parse feeds.
  • It is a GTFS Best Practice to keep these consistent between feed versions whenever possible.
  • More than 5% being new or dropped is a cause for attention, especially if there hasn't been a major service or route change.
  • Please reach out to our help desk at [email protected] with any questions.

Changes from April 01 to April 30

Consistency with the California GTFS Minimum Guidelines

Do the following files/fields exist? 2023-04-04 2023-04-18
Visual display shapes.txt
Navigation levels.txt
Fares fare_leg_rules.txt
Technical contacts feed_info.txt
Validation errors observed
Error Name Error Description Severity
leading_or_trailing_whitespaces The value in CSV file has leading or trailing whitespaces. WARNING
route_color_contrast A route's color and route_text_color should be contrasting. WARNING
unused_shape All records defined by GTFS shapes.txt should be used in trips.txt. WARNING
more_than_one_entity The file is expected to have a single entity but has more (e.g., "feed_info.txt"). WARNING
missing_recommended_field The given field has no value in some input row, even though values are recommended. WARNING
stop_without_stop_time A stop in stops.txt is not referenced by any stop_times.stop_id, so it is not used by any trip. WARNING
stop_too_far_from_shape Per GTFS Best Practices, route alignments (in shapes.txt) should be within 100 meters of stop locations which a trip serves. WARNING
stops_match_shape_out_of_order Two stop entries in stop_times.txt are different than their arrival-departure order as defined by the shape in the shapes.txt file. WARNING
stop_too_far_from_shape_using_user_distance A stop time entry that is a large distance away from the location of the shape in shapes.txt as defined by shape_dist_traveled values. WARNING
same_name_and_description_for_stop The GTFS spec defines stops.txt stop_description as:'Description of the location that provides useful, quality information. Do not simply duplicate the name of the location.' WARNING
equal_shape_distance_same_coordinates When sorted by shape.shape_pt_sequence, the values for shape_dist_traveled must increase along a shape. Two consecutive points with equal values for shape_dist_traveled and the same coordinates indicate a duplicative shape point. WARNING