GTFS Schedule Validation Report

This report was generated by the Canonical GTFS Schedule validator, version 7.1.0 at 2026-05-04T11:15:29Z,
for the dataset file:///shared/tricounty-link_69f9c229.zip. No country code was provided.

Use this report alongside our documentation.

Summary

Agencies included

Feed Info

Publisher Name:
Trillium Solutions, Inc.
Feed Email:
support+test+carta-sc-us@trilliumtransit.com
Feed Language:
English
Feed Start Date:
2026-05-01
Feed End Date:
2027-05-31

Files included

  1. agency.txt
  2. areas.txt
  3. booking_rules.txt
  4. calendar.txt
  5. calendar_attributes.txt
  6. calendar_dates.txt
  7. directions.txt
  8. fare_attributes.txt
  9. fare_rules.txt
  10. farezone_attributes.txt
  11. feed_info.txt
  12. frequencies.txt
  13. linked_datasets.txt
  14. location_groups.txt
  15. routes.txt
  16. runcut.txt
  17. shapes.txt
  18. stop_attributes.txt
  19. stop_times.txt
  20. stops.txt
  21. timetable_stop_order.txt
  22. timetables.txt
  23. transfers.txt
  24. trips.txt

Counts

  • Agencies: 1
  • Blocks: 28
  • Routes: 14
  • Shapes: 44
  • Stops: 1099
  • Trips: 135

Specification Compliance report

940 notices reported (0 errors, 898 warnings, 42 infos)

Notice Code Severity Total
mixed_case_recommended_field WARNING 1

mixed_case_recommended_field

This field has customer-facing text and should use Mixed Case (should contain upper and lower case letters).

This field contains customer-facing text and should use Mixed Case (upper and lower case letters) to ensure good readability when displayed to riders. Avoid the use of abbreviations throughout the feed (e.g. St. for Street) unless a location is called by its abbreviated name (e.g. “JFK Airport”). Abbreviations may be problematic for accessibility by screen reader software and voice user interfaces.

Good examples:
Field Text Dataset
"Schwerin, Hauptbahnhof" Verkehrsverbund Berlin-Brandenburg
"Red Hook/Atlantic Basin" NYC Ferry
"Campo Grande Norte" Carris
Bad examples:
Field Text
"GALLERIA MALL"
"3427 GG 17"
"21 Clark Rd Est"

You can see more about this notice here.

filename (?) Name of the faulty file. fieldName (?) Name of the faulty field. fieldValue (?) Faulty value. csvRowNumber (?) The row number of the faulty record.
"stops.txt" "stop_name" "US 176 / US 17A" 199
stop_without_stop_time WARNING 897

stop_without_stop_time

A stop in stops.txt is not referenced by any stop_times.stop_id.

Such stops are not used by any trip and normally do not provide user value. This notice may indicate a typo in stop_times.txt.

You can see more about this notice here.

Only the first 50 of 897 affected records are displayed below.

csvRowNumber (?) The row number of the faulty record. stopId (?) The id of the faulty stop. stopName (?) The name of the faulty stop.
2 "2319801" "Stuart Engals Blvd / Wando Crossing Shopping Center"
3 "2320181" "Glenn McConnell Pkwy / Goodwill Way"
4 "2320182" "Ashley Phosphate Rd / Pepperdam Ave"
5 "2320183" "Ashley Phosphate Rd / Pepperdam Ave"
6 "2320901" "Lawrence St / Constitution Ave"
7 "2320916" "N Hwy 17 / S Morgan Point Rd"
8 "2320917" "N Hwy 17 / Old Georgetown Rd"
9 "2320918" "Leeds Ave / Tile Dr"
10 "2320919" "Stuart Engals Blvd / Bowman Rd"
11 "2320920" "Tobias Gadsden Blvd / Ashley River Rd"
12 "2320921" "Bowman Rd / Pumpkin Ln"
13 "2320922" "Watermark Rd / Appling Dr"
14 "2320923" "Harry Hallman Blvd / Patriots Point Rd"
15 "2320924" "Sam Rittenberg Blvd / Dickens St"
16 "2320925" "N Rhett Ave / Marquis Rd"
17 "2320934" "S Antler Dr / Otranto Rd"
18 "2320938" "Rivers Ave / Mabeline Rd"
19 "2320941" "Rivers Ave / Northwoods Blvd"
20 "2320942" "Rivers Ave / Success St"
23 "2326331" "King St / Huger St"
24 "2326332" "Rivers Ave / Commander Rd"
25 "2329735" "N Hwy 17 / National Dr"
26 "2329765" "Berlin G. Myers Parkway Park & Ride"
27 "2329766" "Hwy 78 / Old University Blvd"
28 "2332154" "Savage Rd / Etiwan Ave"
29 "2332188" "Remount Rd / Robinson St"
30 "2332189" "King St / Moultrie St"
31 "2332206" "King St / Mt. Pleasant St"
32 "2332207" "Austin Ave / Birdie Garrett St"
33 "2332209" "Riverland Dr / Canal St"
34 "2332210" "Folly Rd / Eugene Gibbs St"
35 "2332211" "Fort Johnson Rd / Freer St"
36 "2332212" "Stuart Engals Blvd / Bowman Rd"
37 "2332214" "1640 Meeting Street Rd"
39 "2332230" "Lawrence St / Ranger Dr"
40 "2332332" "Rivers Ave / Aamaco Way"
65 "2335526" "Citadel Mall / S. Park Circle"
66 "2335595" "Savannah Hwy / Parkdale Dr"
67 "2335606" "Riverland Dr / James Island County Park"
68 "2335607" "Riverland Dr / Dawson Rd"
69 "2335615" "King St / Cannon St"
71 "2335617" "River Rd / Hunters Rd"
72 "2335618" "River Rd. & Hunters Rd."
73 "2335619" "River Road / Evans Road"
74 "2335620" "River Rd / Evans Rd"
75 "2335621" "River Rd / Maybank Hwy"
76 "2335622" "Maybank Hwy / Berkeley Electric Coop"
77 "2335623" "Maybank Hwy / Berkeley Electric Cooperative"
78 "2335624" "Main Road / Brownswood Road"
79 "2335625" "Main Rd / Brownswood Rd"
unknown_column INFO 34

unknown_column

A column name is unknown.

You can see more about this notice here.

filename (?) The name of the faulty file. fieldName (?) The name of the unknown column. index (?) The index of the faulty column.
"areas.txt" "wkt" 2
"agency.txt" "tts_agency_name" 8
"calendar.txt" "service_name" 2
"calendar_dates.txt" "holiday_name" 3
"feed_info.txt" "feed_license" 5
"feed_info.txt" "feed_id" 10
"routes.txt" "min_headway_minutes" 11
"routes.txt" "eligibility_restricted" 12
"routes.txt" "tts_route_short_name" 15
"routes.txt" "tts_route_long_name" 16
"stop_times.txt" "start_service_area_id" 11
"stop_times.txt" "end_service_area_id" 12
"stop_times.txt" "start_service_area_radius" 13
"stop_times.txt" "end_service_area_radius" 14
"stop_times.txt" "mean_duration_factor" 21
"stop_times.txt" "mean_duration_offset" 22
"stop_times.txt" "safe_duration_factor" 23
"stop_times.txt" "safe_duration_offset" 24
"stop_times.txt" "tts_stop_headsign" 25
"stop_times.txt" "min_arrival_time" 26
"stop_times.txt" "max_departure_time" 27
"stops.txt" "position" 13
"stops.txt" "direction" 14
"trips.txt" "trip_type" 11
"trips.txt" "drt_max_travel_time" 12
"trips.txt" "drt_avg_travel_time" 13
"trips.txt" "drt_advance_book_min" 14
"trips.txt" "drt_pickup_message" 15
"trips.txt" "drt_drop_off_message" 16
"trips.txt" "continuous_pickup_message" 17
"trips.txt" "continuous_drop_off_message" 18
"trips.txt" "tts_trip_headsign" 19
"trips.txt" "tts_trip_short_name" 20
"location_groups.txt" "location_id" 2
unknown_file INFO 8

unknown_file

A file is unknown.

You can see more about this notice here.

filename (?) The name of the unknown file.
"calendar_attributes.txt"
"directions.txt"
"farezone_attributes.txt"
"runcut.txt"
"stop_attributes.txt"
"timetable_stop_order.txt"
"timetables.txt"
"linked_datasets.txt"