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April 2023
Santa Clara Valley Transportation Authority

Monthly GTFS Quality Report
Santa Clara Valley Transportation Authority  ·  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

08-13-2023
Feed End Date
1.0
Days With No Service
78
Routes
3422
Stops
​
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 ​ ​
pathways.txt ​ ​
Fares fare_leg_rules.txt ​ ​
fare_rules.txt ​ ​
Technical contacts feed_info.txt ​ ​
Validation errors observed
Error Name Error Description Severity
unknown_file A file is unknown. INFO
route_short_name_too_long Short name of a route is too long (more than 12 characters). WARNING
unused_shape All records defined by GTFS shapes.txt should be used in trips.txt. WARNING
missing_recommended_field The given field has no value in some input row, even though values are recommended. 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
duplicate_fare_rule_zone_id_fields The combination of fare_rules.route_id, fare_rules.origin_id, fare_rules.contains_id and fare_rules.destination_id fields should be unique in GTFS file fare_rules.txt. ERROR
feed_expiration_date30_days At any time, the GTFS dataset should cover at least the next 30 days of service, and ideally for as long as the operator is confident that the schedule will continue to be operated. WARNING
decreasing_or_equal_stop_time_distance When sorted by stop_times.stop_sequence, two consecutive entries in stop_times.txt should have increasing distance, based on the field shape_dist_traveled. If the values are equal, this is considered as an error. ERROR
equal_shape_distance_diff_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 different coordinates indicate an error. ERROR
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