GTFS Schedule Validation Report

This report was generated by the Canonical GTFS Schedule validator, version 8.0.1 at 2026-06-19T12:15:19Z,
for the dataset file:///shared/lowell-rta_9354c6b8.zip. No country code was provided.

Use this report alongside our documentation.

Summary

Agencies included

  • Lowell Regional Transit Authority

Feed Info

Publisher Name:
Trillium Solutions, Inc.
Feed Email:
support+test+lowell-ma-us@trilliumtransit.com
Feed Language:
English
Feed Start Date:
2026-02-20
Feed End Date:
2026-07-31

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: 50
  • Routes: 21
  • Shapes: 60
  • Stops: 886
  • Trips: 1059

Specification Compliance report

107 notices reported (0 errors, 63 warnings, 44 infos)

Notice Code Severity Total
expired_calendar WARNING 4

expired_calendar

Dataset should not contain date ranges for services that have already expired.

This warning takes into account the calendar_dates.txt file as well as the calendar.txt file.

You can see more about this notice here.

csvRowNumber (?) The row of the faulty record. serviceId (?) The service id of the faulty record.
3 "c_70609_b_86292_d_31"
4 "c_70609_b_86290_d_31"
5 "c_70609_b_86289_d_31"
6 "c_70609_b_86288_d_31"
stop_without_stop_time WARNING 59

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 59 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.
7 "1003" "Chandler St & Lee St"
8 "1004" "Massachusetts General Hospital"
9 "1005" "Beth Israel Deaconess Medical Center East Campus"
10 "1006" "Beth Israel Deaconess Medical Center West Campus"
11 "1007" "Dana-Farber Cancer Institute"
12 "1008" "Brigham and Women's Hospital"
13 "1009" "Veterans Affairs Boston Healthcare System Jamaica Plain"
15 "1010" "St. Elizabeth's Medical Center"
17 "1012" "East St. (Shelter)"
18 "1013" "Kennedy Center Departure"
19 "1014" "Kennedy Center Terminal"
59 "125" "Ludlam St & Dana St"
84 "15" "Middlesex Turnpike & Burlington Mall Rd"
101 "167" "20-26 Crosby Drive"
145 "208" "East St & Chandler St"
153 "215" "Chelmsford Center"
156 "219" "28-30 Crosby Drive"
186 "248" "Hildreth St & Aiken Ave"
266 "326" "Broadway St & Willie St"
333 "394" "6 Stuart St"
402 "466" "East St & Spaulding Ct"
437 "5" "Hildreth St & Liley Ave"
446 "508" "Bridge St & 13th St"
465 "527" "Market St & Palmer St"
503 "57" "Middlesex Tpk & 3rd Ave"
508 "575" "Lakeview Ave & Frost Rd"
529 "597" "East St & Preservation Ln"
554 "627" "Barlet St & Rt. 4 (Adams Ave)"
581 "652" "Middlesex Tpk Before Border CafÈ"
602 "685" "Bridge St & 6th St"
630 "720" "East St (Tewsbury Hospital)"
646 "742" "Hildreth St & Ludlam St"
675 "774" "Lakeview Ave at Beavor Brook Village"
699 "798" "Ludlam St & Aiken Ave"
719 "818" "Middlesex Tpk & 4th Ave"
725 "823" "Middlesex Tpk & 3rd Ave"
728 "827" "Network Drive"
729 "828" "Network Drive At Northwest Park"
738 "838" "East St & Chandler St"
764 "87" "Alpha Rd & Stuart Rd"
772 "879" "Tewksbury State Hospital"
816 "932" "Andrews St & Moore St"
822 "938" "Hildreth St and Bridge St"
829 "946" "Chelmsford Cinema"
831 "948" "Tsongas Arena (French St)"
838 "954" "Mitre Facility"
843 "959" "Jeanne D'Arc Credit Union"
845 "960" "Dracut Senior Center"
854 "969" "UPS Waiting Area"
859 "973" "50 Warren St"
service_window_outside_feed_period INFO 2

service_window_outside_feed_period

A service window is not covered by the feed's validity period.

You can see more about this notice here.

serviceId (?) The service_id whose active window extends outside the feed validity period. serviceWindowStartDate (?) The first active date of the service window. serviceWindowEndDate (?) The last active date of the service window. daysBeforeFeedStart (?) Number of days the service window extends before feed_start_date (0 if none). daysAfterFeedEnd (?) Number of days the service window extends after feed_end_date (0 if none).
"c_70600_b_83029_d_32" "2024-06-29" "2026-07-25" 601 0
"c_70600_b_83029_d_31" "2024-06-24" "2026-07-31" 606 0
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.
"agency.txt" "tts_agency_name" 8
"areas.txt" "wkt" 2
"calendar_dates.txt" "holiday_name" 3
"calendar.txt" "service_name" 2
"feed_info.txt" "feed_license" 5
"feed_info.txt" "feed_id" 10
"location_groups.txt" "location_id" 2
"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
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"
"linked_datasets.txt"
"runcut.txt"
"stop_attributes.txt"
"timetable_stop_order.txt"
"timetables.txt"