Feed status · checked 2026-08-01
Sioux City Transit System
Based on the feed this agency publishes
Service mode Bus
unchanged since 2026-07-31
Catalogued in Iowa.
A data-quality and completeness lens to help an agency improve its GTFS feed. Not an official compliance determination from any transit program. New to this? How to read your scorecard. Interactive view of this scorecard. Rubric v1.3, validator 8.0.1.
Checked for changes 9 hours ago; last changed 41 days ago.
Measured 3 of 4 score categories from the agency's own feed.
How we measured this
Confidence in this measurement: medium.
- Realtime quality was not measured this run. It does not count against the grade.
- The feed was downloaded from the agency's own URL.
Confidence describes how much the pipeline could measure this run, not the feed itself. It never changes the grade.
Top things to fix
Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops.Likely your team
679 of 679 stops don't say whether a wheelchair user can board there. Riders who use wheelchairs can't plan a trip when accessibility is marked 'unknown'; apps show no information at all.
⏱ A column in stops.txt; your scheduling software likely has it.worth about +25 points in its category
Set wheelchair_accessible on every trip. If every vehicle is accessible, this may be one default; otherwise use the value for each trip.Likely your export tool
600 of 600 trips don't say whether the vehicle is wheelchair accessible. Even with accessible stops, riders need to know the bus itself can take them.
⏱ A default or per-trip field in your export.worth about +15 points in its category
Remove retired stops from the export, or add them back to the trips that should serve them.Likely your export tool
Some stops exist in the feed but no trip ever stops at them. Riders may walk to a stop where no bus is scheduled to arrive.
⏱ A review pass in your scheduling software.worth about +8 points in its category
Trillium produces and hosts this feed as a service. These changes are made on their side: send the fix list to your Trillium contact and they apply it and republish.
Finding handoff
Move one finding to a recheck
Select one finding. Copy the request, make the change in the feed-producing tool, then compare the next complete run.
- Feed evidence
- 679 of 679 stops don't say whether a wheelchair user can board there.
- Next action
- Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops.
- Recheck
- Publish the changed feed at the same URL. On the next complete, comparable scorecard run, confirm that this finding is no longer reported.
Copy handoff text
- Feed evidence
- 600 of 600 trips don't say whether the vehicle is wheelchair accessible.
- Next action
- Set wheelchair_accessible on every trip. If every vehicle is accessible, this may be one default; otherwise use the value for each trip.
- Recheck
- Publish the changed feed at the same URL. On the next complete, comparable scorecard run, confirm that this finding is no longer reported.
Copy handoff text
- Feed evidence
- Some stops exist in the feed but no trip ever stops at them.
- Next action
- Remove retired stops from the export, or add them back to the trips that should serve them.
- Recheck
- Publish the changed feed at the same URL. On the next complete, comparable scorecard run, confirm that this finding is no longer reported.
Copy handoff text
How to make and check these changes
Check the result on the published feed. Read the guide, make the change in your tool, and use the next comparable run to see whether the finding is still reported. Only an action or ticket record can attribute who made the change.
Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops. · Read the fix guide
Make the change. Trillium produces and hosts this feed as a service. These changes are made on their side: send the fix list to your Trillium contact and they apply it and republish.
Check the result. The next scorecard run checks this finding again. If a comparable check no longer reports it, the feed's clearance log records that result. This confirms feed state, not who made the change. Self-check a feed before you publish.
Set wheelchair_accessible on every trip. If every vehicle is accessible, this may be one default; otherwise use the value for each trip. · Read the fix guide
Make the change. Trillium produces and hosts this feed as a service. These changes are made on their side: send the fix list to your Trillium contact and they apply it and republish.
Check the result. The next scorecard run checks this finding again. If a comparable check no longer reports it, the feed's clearance log records that result. This confirms feed state, not who made the change. Self-check a feed before you publish.
Remove retired stops from the export, or add them back to the trips that should serve them. · Read the fix guide
Make the change. Trillium produces and hosts this feed as a service. These changes are made on their side: send the fix list to your Trillium contact and they apply it and republish.
Check the result. The next scorecard run checks this finding again. If a comparable check no longer reports it, the feed's clearance log records that result. This confirms feed state, not who made the change. Self-check a feed before you publish.
Rider view: what this feed publishes
A quick read of rider-facing information in this feed.
- Schedule visibility
- The feed's last published service date is in 153 days.
- Published accessibility data
- Accessibility information is stated for 0% of stops and 0% of trips. This measures published data, not whether stops or vehicles are physically usable.
- Fare information
- Fare information is published using GTFS Fares v1.
- Realtime information
- Realtime-feed availability and live-arrival coverage are not known from this scorecard.
Important: This does not rate service reliability. Riders should confirm current service alerts, fares, and accessibility accommodations with the transit operator before traveling.
Send Trillium a fix request
This feed is produced and hosted by Trillium. Copy this and send it to your Trillium contact; they make the change and republish the feed. Each fix names the validator notice and a guide link.
Score by category
The MobilityData validator flagged 4 kinds of issue across 218 instances (0 error, 172 warning, 46 informational).
Service data covers the next 153 days.
0% of stops state wheelchair accessibility (0% marked accessible, 0% marked not accessible). This measures what the feed publishes, not whether a stop is physically usable. Fare data is published.
0% of stops state accessibility (0% marked accessible). Reflects what the feed states, not verified physical usability.
2 accessibility depth signals
6 route badge(s) pair a color and text color below the WCAG 4.5:1 contrast bar (11, 4, 6, 7, 9, and more).
Consider: Adjust route_color or route_text_color so each pair clears 4.5:1. Often switching the text between black and white is enough.
632 stop name(s) use abbreviations or symbols a screen reader may mispronounce, with no spoken form set ("Nebraska St & 7th St", "Nebraska St & 9th St", "Nebraska St & 11th St", and more).
Consider: Add tts_stop_name with the spoken form, e.g. 'Main Street and Second Avenue', for the affected stops.
Opportunities to strengthen the data, not deductions from the sub-score above. States what the second accessibility lens can check from the feed, not verified physical usability.
Fares are applied to trips.
Not scored yet. Nothing here counts against the grade.
Routes and stops
Each route is drawn once, using the longest shape its trips follow; stops are the dots.
This feed has 679 stops.
The route and stop data is ready below. Load the map only when you want the geographic view. It uses additional data.
Basemap: OpenFreeMap, © OpenStreetMap contributors. Routes and stops: this agency's GTFS feed.
- 11 (purple)
- 1 (white)
- 2 (white)
- 3 (yellow)
- 4 (orange)
- 5 (yellow)
- 6 (gray)
- 7 (orange)
- 8 (pink)
- 9 (red)
- 10 (pink)
| Route | Type | Line color |
|---|---|---|
| 11 Airport | Bus | purple |
| 1 Southern Hills | Bus | white |
| 2 Pierce Jackson | Bus | white |
| 3 Marketplace | Bus | yellow |
| 4 Leeds | Bus | orange |
| 5 Riverside | Bus | yellow |
| 6 Singing Hills | Bus | gray |
| 7 Council Oaks | Bus | orange |
| 8 Indian Hills | Bus | pink |
| 9 South Sioux | Bus | red |
| 10 Commons | Bus | pink |
List every stop
- Nebraska St & 7th St
- Nebraska St & 9th St
- Nebraska St & 11th St
- Nebraska St & 13th St
- Nebraska St & 15th St
- Nebraska St & 17th St
- Pierce St & 21st St
- Pierce St & 24th St
- 27th St & Pierce St - St Lukes Unity Point
- 29th St & Jackson St
- 29th St & Jennings St
- 29th St & Virginia St
- 31st St & Park Ave - Valley Park Apts
- 31st & Park Ave - Valley Park Apts
- 31st St & Virginia St
- 31st St & Jackson St
- Jackson St & 32nd St
- Jackson St & 34th St
- Jackson St & 36th St
- Jackson St & 38th St
- 37th St & Cheyenne Blvd
- Cheyenne Blvd & Outer Dr - North High
- Outer Dr & Buckwalter Dr
- Outer Dr & Division St
- Outer Dr & Indian Hills Dr
- Wal-Mart - Floyd Blvd
- Outer Dr & Indian Hills Dr
- Outer Dr & Division St
- Outer Dr & Buckwalter Dr
- Outer Dr & Cheyenne Blvd
- Hamilton Blvd & Outer Dr - Family Practice
- Summit St & 38th St
- 36th St & Grandview Blvd
- 36th St & Jackson St
- Jackson St & 34th St
- Jackson St & 32nd St
- 31st St & Jackson St
- 31st St & Virginia St
- 29th St & Park Ave
- 29th St & Park Ave
- 29th St & Virginia St
- 29th St & Jennings St
- 29th St & Jackson St
- Pierce St & 27th St - St Lukes Unity Point
- Pierce St & 24th St
- Pierce St & 21st St
- Pierce St & 18th St
- Pierce St & 16th St
- Pierce St & 13th St
- Pierce St & 11th St
- Pierce St & 9th St
- Pierce St & 7th St
- Douglas St & 8th St
- Douglas St & 11th St
- Douglas St & 13th St
- 14th St & Grandview Blvd
- 14th St & Main St
- W 15th St & Geneva St
- Geneva St & W 18th St
- Geneva St & W 19th St
- W 19th St & Center St
- W 19th St & Rebecca St
- Rebecca St & W 21st St
- Rebecca St & North View Terr (W 24th St)
- Rebecca St & W 26th St
- Rebecca St & W 28th St
- Rebecca St & W Willis St
- Rebecca St & W 31st St
- Briar Cliff Campus
- Broken Kettle Rd & Stone Park Blvd
- Stone Park Blvd & Idlewood St
- Stone Park Blvd & Woodland Way
- Stone Park Blvd & Dearborn Blvd
- McDonald St & Midvale St - Lincoln School
- Myrtle St & W 32nd St
- Myrtle St & W Lunah Ave
- Myrtle St & W 28th St
- W 28th St & Hamilton Blvd
- Plaza Bowl Bowling Alley
- Dearborn Blvd & Stone Park Blvd
- Shopko
- Hy-Vee Marketplace
- Perry Creek Plaza
- Perry Creek Library
- W 25th St & Hamilton Blvd
- Geneva St & W 22nd St
- Geneva St & W 19th St
- Geneva St & W 18th St
- Geneva St & W 16th St
- Geneva St & W 14th St
- W 14th St & Main St
- 14th St & Grandview Blvd
- Grandview Blvd & 11th St
- Grandview Blvd & 9th St
- Pearl St & 7th St
- 5th St & Douglas St
- 5th St & Jennings St
- 5th St & Virginia St
- 5th St & Iowa St
- 4th St & Chambers St
- 4th St & Pavonia St
- E 4th St - Transit Garage
- Iowa Workforce
- S Fairmount St & 1st St - Greenville
- S Fairmount St & Dace St
- Leech Ave & Fairmount St
- Leech Ave & Rustin St
- Dodge Ave & Rustin St
- Dodge Ave & Cecelia St
- Cecelia St & Jay Ave
- Morningside Ave & Cornelia St
- Morningside Ave & Stone Ave
- Morningside Ave & Peters Ave
- Morningside Ave & Garretson Ave
- Morningside Ave & Royce St
- Morningside Ave & Nicolett St
- Morningside Ave & Lakeport St
- Lakeport St & Glenn Ave
- Lakeport St & Myers Ave
- Lakeport St & Sunnybrook Ave - CNOS
- Lakeport St & Lincoln Way
- Lakeport St & Nicollett St
- Southern Hills Dr & Southern Square - Hobby Lobby
- Southern Hills Dr & Hickory Ln
- Southern Hills Dr & Sergeant Rd
- Southern Hills Mall - Barnes & Noble
- Sears - East Entrance
- Lakeport St & Sergeant Rd
- Lorraine Ave & Olive St (East M School)
- Olive St & Sunnybrook Ave - East High
- Lakeport St & Lorraine Ave
- Lakeport St & Meyers Ave
- Lakeport St & Glenn Ave
- Morningside Ave & Clinton St - Tobacco Hut
- Morningside Ave & Nicolett St
- Morningside Ave & Transit Ave - Peters Park
- Morningside Ave & Davis Ave
- Morningside Ave & Peters Ave
- Morningside Ave & Stone Ave
- Morningside Ave & Macomb Ave
- Morningside Ave & Indiana Ave
- Cecelia St & Dodge Ave
- Dodge Ave & Rustin St
- Rustin St & Leech Ave
- Leech Ave & Fairmount - Comm. Action
- Fairmount St & Gordon Dr
- Fairmount St & 1st St - Greenville
- 6th St & Lewis Blvd
- 6th St & Chambers St
- 6th St & Hoeven Dr
- 6th St & Court St
- Jennings St & 6th St
- 6th St & Jackson St
- Court St & 5th St
- Court St & 7th St
- Court St & 9th St
- Court St & 10th St
- Court St & 11th St
- Court St & 13th St
- Court St & 16th St
- Court St & 19th St
- Court St & 21st St
- Court St & 23rd St
- Court St & 25th St
- Court St & 27th St
- 27th St & Clark St
- 27th St & Cheyenne Blvd
- 27th St & Chambers St
- 27th St & Floyd Blvd
- Indian Hills Dr - Fareway Store
- 41st St - Spring Hills Apts
- 41st St & Jefferson St
- Monroe St & 40th St
- Monroe St & Floyd Blvd
- Floyd Blvd & Van Buren St
- Floyd Blvd & 41st St
- Floyd Blvd & Fillmore St
- Grant St & Floyd Blvd
- 44th St & Fillmore St
- 44th St & Central St
- Central St & 43rd St
- 41st St & Central St
- 41st St & VanBuren St
- 41st St & Monroe St
- Floyd Blvd & 33rd St
- 27th St & Floyd Blvd
- 27th St & Cheyenne Blvd
- 27th St & Clark St
- 27th St & Court St
- Court St & 25th St
- Court St & 23rd St - Boys & Girls Home
- Court St & 21st St
- Court St & 19th St
- Court St & 16th St
- Court St & 13th St
- Court St & 11th St
- Court St & 9th St
- Court St & 7th St
- Pierce St & 4th St
- Pierce St & 3rd St
- Harbor Dr & Bridgeport Dr
- Harbor Dr & Murray St
- Harbor Dr & Blvd of Champions
- Harbor Dr & Expedition Ct
- 8th St & Douglas St
- W 7th St & Bluff St
- W 7th St & Sioux St
- W 7th St & Cook St
- W 7th St & Panoah St
- W 7th St & Center St
- Villa Ave & Isabella St
- Villa Ave & George St
- Ross St & Villa Ave
- Ross St & W 15th St
- Ross St & W 17th St
- Ross St & W 19th St
- W 19th St & West St
- W 19th St - Hearthstone Apts
- W 19th St & Wolverine Dr
- W 19th & Burton St
- W 19th & Kellog St
- W 19th & Riverside Blvd
- Riverside Blvd & Whicher Ave - Billy Boy
- Military Rd & Riverside Blvd - DAV Store
- Military Rd & Edgewater Ave
- Military Rd & River Dr - North Sioux
- Military Rd & Main St
- Alorica on Centennial Dr
- Centennial Dr & Gateway Dr
- Freedom Dr & Centennial Dr
- N Derby Ln & Freedom Dr
- N Derby Ln & River Dr - McDonalds
- River Dr & Victor St
- River Dr & Military Rd
- Boies St & Military Rd
- Boies St & Laplante Ave
- LaPlante Ave & Metropolitain St
- LaPlante Ave & Fairbanks St
- Fairbanks St & Wright Ave
- Wright Ave & Metropolitan St
- Wright Ave & McKinley St
- Wright Ave & Riverside Blvd
- W 19th St & Riverside Blvd
- W 19th & W 23rd St
- W 19th & Kellogg Ave
- W 19th & Burton St
- W 19th & Wolverine Dr
- W 19th & Casselman St
- W 19th St & Hearthstone Apts
- W 19th & West St
- and 429 more (see the full list on the map or in the GeoJSON)
Over time
Overall score across the last 4 checks — unchanged since 2026-07-31.
Show the numbers
| Check | Score | Change |
|---|---|---|
| 2026-07-25 | 82.6 | first check |
| 2026-07-30 | 82.6 | no change |
| 2026-07-31 | 82.6 | no change |
| 2026-08-01 | 82.6 | no change |
What changed since your last check
- Correctness no change
- Freshness no change
- Rider experience no change
What changed in this feed
Overall grade and score held steady since 2026-07-31.
Same feed file as 2026-07-31; the published zip did not change.
Subscribe to this feed’s changes (Atom) to hear about grade drops in a reader, with no sign-up.
Everything we checked
8 findings, ordered by severity.
Show every finding
- Warning679 instances
679 of 679 stops don't say whether a wheelchair user can board there.
Riders who use wheelchairs can't plan a trip when accessibility is marked 'unknown'; apps show no information at all.
Fix: Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops. (A column in stops.txt; your scheduling software likely has it.)
Finding code: scorecard_wheelchair_boarding_unknown · Read the fix guide · See GTFS Schedule reference (opens the GTFS Schedule reference on an external site)
- Warning600 instances
600 of 600 trips don't say whether the vehicle is wheelchair accessible.
Even with accessible stops, riders need to know the bus itself can take them.
Fix: Set wheelchair_accessible on every trip. If every vehicle is accessible, this may be one default; otherwise use the value for each trip. (A default or per-trip field in your export.)
Finding code: scorecard_wheelchair_accessible_unknown · Read the fix guide · See GTFS Schedule reference (opens the GTFS Schedule reference on an external site)
- Warning172 instances
Some stops exist in the feed but no trip ever stops at them.
Riders may walk to a stop where no bus is scheduled to arrive.
Fix: Remove retired stops from the export, or add them back to the trips that should serve them. (A review pass in your scheduling software.)
Finding code: stop_without_stop_time · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
- Warning67 instances
67 of 600 trips lack rider-facing destination or direction text.
When a route has multiple directions or patterns, the route name alone may not tell riders which service is coming.
Fix: Add the destination, direction, or 'via' label riders actually see to trip_headsign. Do not copy the route name. If the label changes during the trip, use stop_headsign. (Usually one value per route pattern in your scheduling source.)
Finding code: scorecard_missing_headsigns · Read the fix guide · See GTFS Best Practices (opens GTFS Best Practices on an external site)
- Warning1 instance
This feed describes flexible (demand-responsive) service but has no booking_rules.txt.
Riders can see the service area but not how or when to reserve a trip, so they can't actually use the service.
Fix: Add booking_rules.txt saying how far ahead and how to book (phone, app, or web). (A small file; one rule often covers the whole service.)
Finding code: scorecard_flex_no_booking_rules · Read the fix guide · See GTFS Schedule reference (opens the GTFS Schedule reference on an external site)
- Info34 instances
Some files contain columns that are not part of the GTFS spec.
Harmless to riders, but apps ignore these columns and they can hide typos in real column names.
Fix: Check the flagged column names for misspellings of standard GTFS fields; remove them if they are vendor extras. (A quick look at the flagged files.)
Finding code: unknown_column · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
- Info8 instances
The feed includes a file that is not part of the GTFS spec.
Apps ignore files they don't know, and a stray file can hide a misspelled standard file name.
Fix: Check the flagged file name for a typo of a standard GTFS file. Remove it if it is a vendor extra. (A quick look at the flagged file.)
Finding code: unknown_file · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
- Info4 instances
Some service dates fall outside the date window set in feed_info.txt.
feed_info.txt should span every day your service runs, so apps know when the data applies.
Fix: Widen feed_start_date and feed_end_date to cover all service dates, or fix the dates that fall outside. (Two fields in feed_info.txt, or one export setting.)
Finding code: service_window_outside_feed_period · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
Beyond the grade
Opportunities that do not change your grade today: fare detail, on-demand service, and deeper accessibility data.
Flex zones are published but no booking_rules.txt is present.
Consider: Add booking_rules.txt with how far ahead and how to reserve (phone, app, or web).
NTD GTFS readiness Ready
Published at a public URL, valid, current, and identified with agency_id: the four feed checks for RY2026 all hold here. Only your own D-10 and P-50 filings make that official; this is a heads-up, not a determination.
- Published Ready
- Published at a public URL.
- Valid Ready
- Passes validation with no errors.
- Current Ready
- Service data covers the next 153 days.
- agency_id provided Ready
- agency.txt provides agency_id. For RY2026, keep one stable value for each NTD reporter represented in the feed and crosswalk each value on the P-50 form.
- agency_id equals your NTD ID (optional) Not checked yet
- This feed provides agency_id. For RY2026, keep one stable value for each NTD reporter represented in the feed and crosswalk it on the P-50 form. The value does not need to equal the five-digit NTD ID; we do not have that ID on file, so the optional equality comparison is not checked yet.
- shapes.txt covers your trips Ready
- All 600 trips have a shape in shapes.txt.
In plain words: if you report to the federal transit database, you have to publish a working, up-to-date feed, provide a stable agency_id for each represented reporter, and confirm the feed and P-50 crosswalk each year. This box is a heads-up; your filings are the official check.
A readiness signal mapping this feed to the FTA National Transit Database GTFS requirement (Report Year 2023 onward: a public, valid, current feed, certified annually on the D-10). For RY2026, each represented reporter needs a stable agency_id, unique within the feed and crosswalked to its five-digit NTD ID on P-50; the values do not need to be equal. FTA also requires shapes.txt in the published GTFS: Full Reporters from Report Year 2025, and Reduced, Rural, and Tribal Reporters from Report Year 2026. Not an official determination; your certification is the official check.
Conformance mark Not yet
This feed is close to the conformance mark. States wheelchair access on 0% of stops and 0% of trips; the mark needs 90% of each.
- Valid Met
- Passes validation with no errors.
- Current Met
- Service data covers the next 153 days.
- Accessible Not yet
- States wheelchair access on 0% of stops and 0% of trips; the mark needs 90% of each.
In plain words: earn this mark when your feed passes validation, has not expired, and says whether nearly every stop and trip is wheelchair accessible.
A pass credential for a feed that is valid, current, and states wheelchair access on nearly every stop and trip. Accessibility here measures what the feed publishes, not whether a stop is physically usable. How the conformance mark works.
Can riders use it?
Checks beyond structural validation: places where the feed is valid but a rider still could not travel.
- 172 of 679 boardable stops are never served by any trip. Riders see these stops in apps and on the map but can never catch anything there, which erodes trust in the data. Remove stops no route serves, or add the trips that should call at them.
These do not change the grade. They catch trips with no rideable leg and stops no trip serves, the kind of gap a trip planner trips over.
Clears the Google and Apple Maps four-week coverage bar. This feed has 153 days of service ahead, clearing the four-week (28-day) window Maps asks for. No validator errors either, so riders keep seeing this agency in their trip planners; warnings lower the grade here but do not remove a feed from Maps.
How this agency maps to the standards
The scorecard is a data-quality lens, not a compliance determination. Its universal references describe good GTFS and useful rider information. Useful references here are GTFS Schedule Best Practices, GTFS-Realtime Best Practices, MobilityData grading scheme, Google Transit publication guidance, FTA National Transit Database GTFS requirement. Read the full standards crosswalk.
- Correctness 90 / 100
- GTFS Schedule best practices, checked by the MobilityData validator. MobilityData grading covers stop locations, route names, and colors. Google Transit requires a feed to pass validation for publication. FTA NTD readiness also checks that the published feed is valid.
- Freshness 100 / 100
- GTFS Schedule best practices call for a dataset that stays current. An expired calendar can remove service from Google Transit and other rider trip planners. FTA NTD readiness also checks that the published feed is current.
- Rider experience 58 / 100
- GTFS Best Practices for rider-facing fields. MobilityData grading covers stop names and headsigns.
- Realtime quality Not yet published
- GTFS-Realtime best practices: a stable URL, high uptime, and frequent updates.
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