Cal-ITP

Monthly GTFS Quality Report
Modesto Area Express  ·  Sep 2021

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.


Feed Published
20221231
Feed End Date
1
Days With No Service
22
Routes
744
Stops

Aggregated metrics for  Sep

  • Service hours per day in the active feed:

Changes from Sep 01 to Sep 30

  • Percentage of stop and route IDs that have changed since the previous month.
  • More than 5% being new or dropped is a cause for attention.

Consistency with the California GTFS Minimum Guidelines

Do the following files/fields exist? 2021-09-05
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 Number of errors
Error Name Error Description 2021-09-05 2021-09-19
decreasing_or_equal_shape_distance Two consecutive points in shapes.txt should have increasing values for shape_dist_traveled. If the values are equal, this is considered as an error. 1720 1720
route_short_and_long_name_equal Short and long name should not be identical. 1 1
route_short_name_too_long Short name of a route is too long (more than 12 characters). Note that major trip planning applications start truncating short names after seven characters. 1 1
stop_too_far_from_trip_shape Per GTFS Best Practices, route alignments (in shapes.txt) should be within 100 meters of stop locations which a trip serves. 4 4
too_fast_travel As implemented in the original Google Python GTFS validator, the calculated speed between stops should not be greater than 150 km/h (42 m/s SI or 93 mph). 2 2