Feed status · checked 2026-07-18
Zarząd Dróg i Transportu Miejskiego w Szczecinie
Based on the feed this agency publishes
Service mode Tram + Bus
First scorecard for this agency
Catalogued in Zachodniopomorskie, Poland.
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 v1.2, validator 8.0.1.
Measured 4 of 4 score categories from the agency's own feed.
How we measured this
Confidence in this measurement: high.
- All four score categories were measured this run.
- Realtime was sampled in one bounded window of 9 snapshots.
- 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
1431 of 1633 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 +22 points in its category
Add feed_info.txt with feed_start_date and feed_end_date to your export.Likely your export tool
feed_info.txt is missing its start/end dates Apps and this scorecard can't warn anyone before the feed goes stale without stated validity dates.
⏱ Two fields, set once in export settings.worth about +15 points in its category
Add fare_attributes.txt (or Fares v2 files) with your fare structure. If your service is fare-free, ask to have it marked fare-free instead.
The feed contains no fare information. Riders see 'fare unknown' in trip planners and can't budget their trip; visitors are most affected.
⏱ A small file for most flat-fare systems.worth about +15 points in its category
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. Make this change in whatever tool produces your feed, then re-export.
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.
Add feed_info.txt with feed_start_date and feed_end_date to your export. · Read the fix guide
Make the change. Make this change in whatever tool produces your feed, then re-export.
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.
Add fare_attributes.txt (or Fares v2 files) with your fare structure. If your service is fare-free, ask to have it marked fare-free instead. · Read the fix guide
Make the change. Make this change in whatever tool produces your feed, then re-export.
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 105 days.
- Published accessibility data
- Accessibility information is stated for 12.4% of stops and 92.4% of trips. This measures published data, not whether stops or vehicles are physically usable.
- Fare information
- No fare information is published in the feed.
- Realtime information
- Live-arrival data covered 84.4% of scheduled trips in the sampled window.
Important: This does not rate service reliability. Riders should confirm current service alerts, fares, and accessibility accommodations with the transit operator before traveling.
Send your vendor a fix request
You may not control the GTFS export yourself. Copy this and send it to whoever runs your scheduling software export. It names each fix with the validator notice and a guide link.
Score by category
The MobilityData validator flagged 6 kinds of issue across 1837 instances (0 error, 199 warning, 1638 informational).
Service data covers the next 105 days.
12% of stops state wheelchair accessibility (12% marked accessible, 0% marked not accessible). This measures what the feed publishes, not whether a stop is physically usable. Fare data is not published.
12% of stops state accessibility (12% marked accessible). Reflects what the feed states, not verified physical usability.
Sampled 9 times: 3 of 3 configured feeds healthy; 84.4% of scheduled trips had live predictions; 99.7% of vehicles on their route; predictions ran a median of 0s behind schedule.
Routes and stops
Each route is drawn once, using the longest shape its trips follow; stops are the dots.
Skip to route and stop dataBasemap: OpenFreeMap, © OpenStreetMap contributors. Routes and stops: this agency's GTFS feed.
- 0 (brown)
- 1 (teal)
- 10 (teal)
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- 109 (brown)
- 11 (teal)
- 12 (teal)
- 198 (brown)
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- 2 (teal)
- 221 (brown)
- 222 (brown)
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- 241 (brown)
- 242 (brown)
- 243 (brown)
- 244 (brown)
- 3 (teal)
- 4 (teal)
- 5 (teal)
- 51 (brown)
- 52 (brown)
- 521 (black)
- 522 (black)
- 523 (black)
- 524 (black)
- 525 (black)
- 526 (black)
- 527 (black)
- 528 (black)
- 529 (black)
- 53 (brown)
- 530 (black)
- 531 (black)
- 532 (black)
- 533 (black)
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- 535 (black)
- 536 (black)
- 54 (brown)
- 56 (brown)
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- 6 (teal)
- 60 (brown)
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- 7 (teal)
- 70 (brown)
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- 78 (brown)
- 79 (brown)
- 8 (teal)
- 80 (brown)
- 811 (brown)
- 82 (brown)
- 84 (brown)
- 85 (brown)
- 86 (brown)
- 87 (brown)
- 88 (brown)
- 89 (brown)
- 9 (teal)
- 90 (brown)
- 904 (brown)
- 91 (brown)
- 92 (brown)
- 93 (brown)
- 94 (brown)
- 95 (brown)
- 96 (brown)
- 97 (brown)
- 99 (brown)
- A (red)
- B (red)
- C (red)
| Route | Type | Line color |
|---|---|---|
| 0 Potulicka - Stocznia Szcz. - Potulicka | Tram / light rail | brown |
| 1 Osiedle Zawadzkiego - Potulicka | Tram / light rail | teal |
| 10 Gumieńce - Plac Rodła (- Las Arkoński - Głębokie) | Tram / light rail | teal |
| 101 Plac Rodła - Police Jasienica Pętla | Bus | brown |
| 102 Gocław - Police Stara Fabryka/Zajezdnia | Bus | brown |
| 103 Głębokie - Police Rynek/Zakłady Chemiczne | Bus | brown |
| 106 Głębokie - Police Rynek | Bus | brown |
| 107 Plac Rodła - Police Wyszyńskiego Polana | Bus | brown |
| 109 (Jasienica -) Police Rynek - Police Stara Fabryka | Bus | brown |
| 11 Dworzec Niebuszewo - Ludowa | Tram / light rail | teal |
| 12 Dworzec Niebuszewo - Pomorzany | Tram / light rail | teal |
| 198 Plac Kościuszki - Łasztownia | Bus | brown |
| 199 Plac Rodła - Łasztownia | Bus | brown |
| 2 Dworzec Niebuszewo - Turkusowa | Tram / light rail | teal |
| 221 Głębokie - Sławoszewo | Bus | brown |
| 222 Mierzyn Szkoła - Łukasińskiego Ogrody - Kościno | Bus | brown |
| 223 Gumieńce - Dobra Rondo - Stolec | Bus | brown |
| 224 Gumieńce - Mierzyn Pod Lipami | Bus | brown |
| 225 Klonowica Zajezdnia - Dobra Osiedle | Bus | brown |
| 226 Gumieńce - Lubieszyn Rondo - Lubieszyn Granica | Bus | brown |
| 227 Mierzyn Szkoła - Łukasińskiego Ogrody - Głębokie | Bus | brown |
| 241 Plac Kościuszki - Przecław - Kamieniec | Bus | brown |
| 242 Plac Kościuszki - Pargowo | Bus | brown |
| 243 Plac Kościuszki - Smolęcin (- Kołbaskowo) | Bus | brown |
| 244 (Maczka -) Gumieńce - Warnik | Bus | brown |
| 3 Osiedle Zawadzkiego - Pomorzany | Tram / light rail | teal |
| 4 Plac Żołnierza Polskiego - Szpitalna | Tram / light rail | teal |
| 5 Osiedle Zawadzkiego - Stocznia Szczecińska | Tram / light rail | teal |
| 51 Kołłątaja - Głębokie | Bus | brown |
| 52 Tkacka - Wyspa Pucka | Bus | brown |
| 521 Osiedle Zawadzkiego - SKM Dworzec Gł. (Kolumba) | Bus | black |
| 522 Warszewo - Osiedle Kasztanowe | Bus | black |
| 523 Zajezdnia Golęcin - Przecław | Bus | black |
| 524 Police Zajezdnia - Pomorzany Dobrzyńska | Bus | black |
| 525 Wernyhory - Zajezdnia Golęcin | Bus | black |
| 526 Police Zajezdnia - SKM Dworzec Gł. (Kolumba) | Bus | black |
| 527 SKM Dworzec Gł. (Kolumba) - Klonowica Zaj./Bezrzecze | Bus | black |
| 528 Maczka - Pomorzany | Bus | black |
| 529 (Jaworowa -) Zawadzkiego - Plac Rodła | Bus | black |
| 53 Stocznia Szczecińska - Pomorzany Dobrzyńska | Bus | brown |
| 530 Plac Rodła - Podbórz | Bus | black |
| 531 Osiedle Bukowe - Wernyhory | Bus | black |
| 532 Osiedle Bukowe - Osów | Bus | black |
| 533 SKM Dąbie (Stacyjna) - Klucz | Bus | black |
| 534 Osiedle Bukowe - Wielgowo Borsucza | Bus | black |
| 535 Klonowica Zajezdnia - Stolec | Bus | black |
| 536 Maczka - Grzepnica | Bus | black |
| 54 Turkusowa - Kijewo/Zakłady Mięsne | Bus | brown |
| 56 Basen Górniczy - Dąbie Osiedle (- SKM Dunikowo) | Bus | brown |
| 57 Kołłątaja - Warszewo | Bus | brown |
| 58 Plac Rodła - Gocław | Bus | brown |
| 59 Plac Rodła - Zajezdnia Golęcin - Szosa Polska | Bus | brown |
| 6 Gocław - Pomorzany | Tram / light rail | teal |
| 60 Stocznia Szczecińska - Cukrowa | Bus | brown |
| 61 SKM Dworzec Gł. (Owocowa) - SKM Podjuchy | Bus | brown |
| 62 Plac Zwycięstwa - Ustowo Auchan | Bus | brown |
| 63 Kołłątaja - Skolwin | Bus | brown |
| 64 Dąbie Osiedle - Klucz Autostrada | Bus | brown |
| 65 Turkusowa - Rondo Ułanów Podolskich | Bus | brown |
| 66 Osiedle Bukowe - SKM Podjuchy (- Klucz) | Bus | brown |
| 67 Stocznia Szczecińska - Karola Miarki | Bus | brown |
| 68 Plac Rodła - Rostocka/Świergotki | Bus | brown |
| 69 Kołłątaja - Rugiańska | Bus | brown |
| 7 (Głębokie -) Osiedle Zawadzkiego - Turkusowa | Tram / light rail | teal |
| 70 SKM Dworzec Gł. (Owocowa) - SKM Dworzec Gł. (Owocowa) | Bus | brown |
| 72 Basen Górniczy - Śmierdnica (- Jezierzyce) | Bus | brown |
| 73 Basen Górniczy - Zdroje - Dąbie - Basen Górniczy | Bus | brown |
| 74 Osiedle Zawadzkiego - Plac Rodła | Bus | brown |
| 75 Osiedle Zawadzkiego - SKM Dworzec Gł. (Kolumba) | Bus | brown |
| 76 Brama Portowa - Logistyczna | Bus | brown |
| 77 Osiedle Bukowe - Osiedle Kasztanowe | Bus | brown |
| 78 Kołłątaja - Osiedle Arkońskie | Bus | brown |
| 79 Osiedle Słoneczne/Turkusowa - Jezierzyce | Bus | brown |
| 8 Gumieńce - Turkusowa | Tram / light rail | teal |
| 80 Zakłady Piekarnicze - Ludowa | Bus | brown |
| 811 Plac Kościuszki - Pomorzany Dobrzyńska | Bus | brown |
| 82 Kołłątaja - Krucza Dom Kombatanta | Bus | brown |
| 84 Turkusowa - Kijewo/Zakłady Mięsne | Bus | brown |
| 85 SKM Podjuchy - Smocza-Falskiego | Bus | brown |
| 86 Zakłady Piekarnicze - Plac Rodła | Bus | brown |
| 87 SKM Dworzec Gł. (Owocowa) - Kołłątaja - Podbórz | Bus | brown |
| 88 Maczka - Okulickiego | Bus | brown |
| 89 Kołłątaja - Świergotki | Bus | brown |
| 9 Głębokie - Potulicka | Tram / light rail | teal |
| 90 SKM Dworzec Gł. (Owocowa) - SKM Dworzec Gł. (Owocowa) | Bus | brown |
| 904 SKM Podjuchy - SKM Podjuchy (transport na żądanie) | Bus | brown |
| 91 Turkusowa - Zakłady Mięsne | Bus | brown |
| 92 Kołłątaja - Podbórz | Bus | brown |
| 93 Basen Górniczy - Dąbie - Zdroje - Basen Górniczy | Bus | brown |
| 94 Turkusowa - Zakłady Mięsne | Bus | brown |
| 95 Osiedle Zawadzkiego - Unii Lubelskiej Szpital | Bus | brown |
| 96 Basen Górniczy - Osiedle Kasztanowe | Bus | brown |
| 97 Osiedle Bukowe - Dąbie Osiedle (- Zakłady Drobiarskie) | Bus | brown |
| 99 Kołłątaja - Zajezdnia Golęcin | Bus | brown |
| A Osiedle Bukowe - Ludowa | Bus | red |
| B Osiedle Słoneczne - Osiedle Arkońskie | Bus | red |
| C Plac Rodła - Osiedle Kasztanowe | Bus | red |
This feed has 1633 stops.
List every stop
- Turzyn Dworzec
- Turzyn Dworzec
- Turzyn
- Turzyn
- Turzyn
- Plac Kościuszki
- Plac Kościuszki
- Plac Kościuszki
- Plac Kościuszki
- Plac Kościuszki
- Plac Kościuszki
- Plac Kościuszki
- Plac Kościuszki
- Plac Kościuszki
- Plac Kościuszki
- Plac Kościuszki
- Krzywoustego
- Łokietka
- Plac Zwycięstwa
- Plac Zwycięstwa
- Plac Zwycięstwa
- Plac Zwycięstwa
- Plac Zwycięstwa
- Brama Portowa
- Brama Portowa
- Brama Portowa
- Brama Portowa
- Brama Portowa
- Brama Portowa
- Brama Portowa
- Brama Portowa
- Brama Portowa
- Brama Portowa
- Brama Portowa
- Wyszyńskiego
- Wyszyńskiego
- Wyszyńskiego
- Wyszyńskiego
- Wyszyńskiego
- Wyszyńskiego
- Wyszyńskiego
- Wyszyńskiego
- Wyszyńskiego
- Wyszyńskiego
- Wyszyńskiego
- Wyszyńskiego
- Grodzka
- Tkacka
- Plac Żołnierza Polskiego
- Plac Żołnierza Polskiego
- Plac Żołnierza Polskiego
- Plac Żołnierza Polskiego
- Plac Żołnierza Polskiego
- Filharmonia
- Filharmonia
- Filharmonia
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Rodła
- Plac Grunwaldzki
- Plac Grunwaldzki
- Plac Grunwaldzki
- Plac Grunwaldzki
- Plac Grunwaldzki
- Plac Grunwaldzki
- Plac Szarych Szeregów
- Plac Szarych Szeregów
- Plac Szarych Szeregów
- Plac Szarych Szeregów
- Plac Szarych Szeregów
- Piastów
- Piastów
- Piastów
- Piastów
- Piastów
- Piastów
- Bohaterów Warszawy
- Bohaterów Warszawy
- Bohaterów Warszawy
- Bohaterów Warszawy
- Bohaterów Warszawy
- Bohaterów Warszawy
- Wawrzyniaka
- Wawrzyniaka
- Wawrzyniaka
- Wawrzyniaka
- Plac Gałczyńskiego
- Plac Gałczyńskiego
- Plac Gałczyńskiego
- Piotra Skargi
- Piotra Skargi
- Piotra Skargi
- Piotra Skargi
- Piotra Skargi
- Piotra Skargi
- Felczaka
- Felczaka
- Felczaka
- Felczaka
- Felczaka
- Felczaka
- Plac Zgody
- Plac Zgody
- Urząd Miasta
- Urząd Miasta
- Urząd Miasta
- Jasne Błonia
- Jasne Błonia
- Kołłątaja
- Kołłątaja
- Kołłątaja
- Kołłątaja
- Kołłątaja
- Kołłątaja
- Kołłątaja
- Kołłątaja
- Kołłątaja
- Lubomirskiego
- Lubomirskiego
- Rayskiego
- Rayskiego
- Rayskiego
- Rayskiego
- Rayskiego
- Matejki
- Matejki
- Matejki
- Matejki
- Matejki
- Matejki
- Parkowa
- Parkowa
- Dubois
- Dubois
- Dubois
- Dubois
- Dubois
- Dubois
- Teatr Polski
- Teatr Polski
- Teatr Polski
- Teatr Polski
- Wały Chrobrego
- Wały Chrobrego
- Wały Chrobrego
- Wały Chrobrego
- Admiralska
- Urząd Wojewódzki
- Teatr Współczesny
- Starzyńskiego
- Starzyńskiego
- Emilii Plater
- Emilii Plater
- Sczanieckiej
- Sczanieckiej
- Sczanieckiej
- Sczanieckiej
- Ofiar Oświęcimia
- Ofiar Oświęcimia
- Niemcewicza
- Niemcewicza
- Niemcewicza
- Niemcewicza
- Niemcewicza
- Krasińskiego
- Krasińskiego
- Boguchwały
- Boguchwały
- Boguchwały
- Dworzec Niebuszewo
- Dworzec Niebuszewo
- Dworzec Niebuszewo
- Dworzec Niebuszewo
- Orzeszkowej
- Orzeszkowej
- Krasińskiego Wiadukt
- Krasińskiego Wiadukt
- Krasińskiego Wiadukt
- Krasińskiego Wiadukt
- Łabędzia
- Łabędzia
- Łabędzia
- Łabędzia
- Łucznicza
- Łucznicza
- Przyjaciół Żołnierza
- Przyjaciół Żołnierza
- Pasterska
- Pasterska
- Komuny Paryskiej
- Komuny Paryskiej
- Golisza
- Golisza
- Rugiańska
- Rugiańska
- Rugiańska
- Rugiańska 71
- Rugiańska 71
- Dobromiry
- Dobromiry
- Dobromiry
- Dobromiry
- Stocznia Remontowa
- Ludowa
- Ludowa
- Ludowa
- Ludowa
- Ludowa
- Ludowa
- Ludowa
- Ludowa
- Ludowa
- Ludowa
- Lubeckiego Wiadukt
- Lubeckiego
- Lubeckiego
- Stocznia Szczecińska
- Stocznia Szczecińska
- Stocznia Szczecińska
- Stocznia Szczecińska
- Stocznia Szczecińska
- Stocznia Szczecińska
- Antosiewicza
- Wilcza Wiadukt
- Wilcza Wiadukt
- 1 Maja
- 1 Maja
- Cyryla i Metodego
- Cyryla i Metodego
- Plac Matki Teresy
- Plac Matki Teresy
- Jarowita
- 1 Maja Business Park
- 1 Maja Business Park
- Plac Hołdu Pruskiego
- Bulwar Piastowski
- Bulwar Piastowski
- Jagiellońska Szpital
- Jagiellońska Szpital
- Strzelecka
- and 1383 more (see the full list on the map or in the GeoJSON)
Over time
This is the first scorecard for this agency. A trend and a "what changed" summary appear here once it has been checked more than once.
Everything we checked
11 findings, ordered by severity.
Show every finding
- Warning1431 instances
1431 of 1633 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.)
Validator rule: scorecard_wheelchair_boarding_unknown · Read the fix guide · See GTFS Schedule reference (opens the GTFS Schedule reference on an external site)
- Warning1323 instances
1323 of 17300 trips don't say whether the vehicle is wheelchair accessible.
Even with accessible stops, riders need to know the transit vehicle 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.)
Validator rule: scorecard_wheelchair_accessible_unknown · Read the fix guide · See GTFS Schedule reference (opens the GTFS Schedule reference on an external site)
- Warning101 instances
Some files leave out fields that GTFS asks for but does not require.
Recommended fields like agency_phone or stop descriptions make the feed more useful to riders and trip planners.
Fix: Review the flagged fields and fill in the ones your riders would use. (A field at a time; not urgent.)
Validator rule: missing_recommended_field · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
- Warning93 instances
Some stops exist in the feed but no trip ever stops at them.
Riders may walk to a stop where no transit vehicle 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.)
Validator rule: stop_without_stop_time · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
- Warning17 instances
17 of 109 trips scheduled during the sampling window had no live predictions.
Riders on those trips get schedule data dressed up as realtime. Caltrans expects every operating trip in TripUpdates.
Fix: Check with your AVL vendor that every vehicle assignment flows into TripUpdates, including school-day and tripper runs. (A vendor data-mapping question.)
Validator rule: scorecard_rt_trip_coverage · Read the fix guide · See GTFS-Realtime reference (opens the GTFS-Realtime reference on an external site)
- Warning5 instances
Some service calendars in the feed have already ended.
Expired calendars are dead weight and can hide real schedule problems from your staff and vendors.
Fix: Remove past service periods the next time you export the feed. (One setting in most export tools.)
Validator rule: expired_calendar · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
- Warning1 instance
feed_info.txt is missing its start/end dates
Apps and this scorecard can't warn anyone before the feed goes stale without stated validity dates.
Fix: Add feed_info.txt with feed_start_date and feed_end_date to your export. (Two fields, set once in export settings.)
Validator rule: scorecard_missing_feed_info_dates · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
- Warning1 instance
The feed contains no fare information.
Riders see 'fare unknown' in trip planners and can't budget their trip; visitors are most affected.
Fix: Add fare_attributes.txt (or Fares v2 files) with your fare structure. If your service is fare-free, ask to have it marked fare-free instead. (A small file for most flat-fare systems.)
Validator rule: scorecard_no_fare_data · Read the fix guide · See GTFS Best Practices (opens GTFS Best Practices on an external site)
- Info1633 instances
Platform without parent station (flagged by the MobilityData validator).
See the linked rule for what this affects.
Fix: Review the rule documentation for 'platform_without_parent_station' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed. (Varies.)
Validator rule: platform_without_parent_station · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
- Info4 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.)
Validator rule: unknown_column · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
- Info1 instance
Unknown file (flagged by the MobilityData validator).
See the linked rule for what this affects.
Fix: Review the rule documentation for 'unknown_file' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed. (Varies.)
Validator rule: unknown_file · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)
Conformance mark Not yet
This feed is close to the conformance mark. States wheelchair access on 12% of stops and 92% of trips; the mark needs 90% of each.
- Valid Met
- Passes validation with no errors.
- Current Met
- Service data covers the next 105 days.
- Accessible Not yet
- States wheelchair access on 12% of stops and 92% 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.
- 93 of 1633 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.
Realtime reliability
The realtime feed responded on 100.0% of 1 checks, with 6s median lag.
Sampled on a schedule between full scores, so this tracks uptime and freshness over time rather than at a single moment.
Live predictions vs schedule
Arrival predictions ran right on the schedule, and stayed within 122s nine times in ten. They were on time (about a minute early to five late) 93.1% of the time. 99.7% of reported vehicle positions sat on or near the published route shape.
From the last full realtime sample: how far live arrival predictions sat from the schedule, and whether vehicle positions fell on the route. These feed the realtime score; they change no other category.
Clears the Google and Apple Maps four-week coverage bar. This feed has 105 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. Read the full standards crosswalk.
- Correctness 78 / 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.
- Freshness 85 / 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.
- Rider experience 62 / 100
- GTFS Best Practices for rider-facing fields. MobilityData grading covers stop names and headsigns.
- Realtime quality 94 / 100
- GTFS-Realtime best practices: a stable URL, high uptime, and frequent updates.
Show your grade
Put a badge on your agency site or feed README. It updates after each completed scoring check and links back to this scorecard.
Prefer a shields.io style? Point a dynamic endpoint badge at the published badge.json.
Cite this record
This page updates on every check. The record below does not: it is the dated file this grade came from, published at https://gtfsscorecard.org/data/artifacts/zditm-szczecin/2026-07-18.json and never overwritten, pinning the grade, category scores, rubric version, validator version, reader archive profile, and the scored feed's sha256 as they stood on 2026-07-18. Use it in a board packet, a regulatory filing, or a research citation instead of linking the live page, whose content will differ on your next visit.
Citing the tool itself rather than one agency's record? Use the repo's CITATION.cff.