Announcements and incidents

  • As we announced in our newsletter, we have been providing new ‘V2’ versions for various data sets since January 2026 (in some cases even earlier). On 30 June 2026 the old versions will now be definitively taken out of service. The following data sets are affected: – atlas: Data exports from Team atlas: Master data…

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Changelog

  • As of 1 June 2026, the data set ‘Business organizations with real-time data‘ added an additional column. This new ‘siriVDV’ column is inserted between the ‘source’ and ‘etAUS’ columns. It indicates whether the business organisation in question delivers data in the SIRI or VDV format.

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  • In the course of the upcoming migration, the logic for generating the SLOID (stop_id) adjusted. The aim is a more consistent and unambiguous representation of step and track information in the affected formats – GTFS, NeTEx* and OJP 1.0 and 2.0 – to be created. *NeTEx is not affected by the subsequent generation of the…

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  • According to the HAFAS Raw Data Format (HRDF), the following change will be made in the *Z lines of the HRDF file FPLAN as of 17 February: In connection with the adjustment of the variants, there is also a change to the data record ‘Swiss Journey ID (SJYID) – list’: From 17 February, the information…

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  • Update 2026-01-29: A new test data set is available here: gtfs_fp2026_20260126_mit-frequencies_v2.zip Due to user feedback on the planned adjustment to the frequency-based services, we have decided to postpone the publication of GTFS with frequencies.txt until 9 February. An initial test file (gtfs_fp2026_frequencies.zip) is already available, on 27 January we will publish a more up-to-date test…

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  • The timetable change will take place on 14th December 2025. This is between our regular publication dates for GTFS-S on Thursday, 11th December 2025 and Monday, 15th December 2025. 👉 For this reason, the GTFS-S data set from 11th December 2025 (FP year 2025) will be ‘extended,’ i.e. it will include journeys from FP year…

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  • #AutoTranslate On a new Cookbook page we have collected information about available timetables in Switzerland’s neighbouring countries – in particular in the regions immediately bordering Switzerland: What data sets are available, in what format (GTFS, NeTEx), on what platform and further information are displayed. For example, if required (cross-border traffic), further data sets can be…

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  • On 14 October, the new ‘SLOID’ column was added to both actual data files. Note: During the transition phase from BPUIC to SLOID, missing SLOID values are replaced by values from atlas supplemented, if available. Where possible, this is assigned at the boarding area; otherwise it is assigned at the level of the stop. Affected…

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  • GTFS assumes that the ‘id’ is consistent across the different GTFS Static, GTFS-RT and GTFS-SA services. When we created GTFS-SA, we jumped a bit: Unfortunately, this does not correspond to what is in GTFS Static: We can’t just use the SLOID and SJYID either, because GTFS requires uniformity as a format, which is not available…

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  • #AutoTranslate GTFS-RT is actually provided as a protobuffer. A JSON version can be called via ?format=JSON. This is not recommended – except for test cases. The next program update on our site will change the serialization. Unfortunately, this causes the responses in JSON to look slightly different. The following changes will be made: Graphic representation…

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  • A new version 2 has been available since 13 July 2025, which also includes data from foreign stops and data from transport companies that deliver the new SLOID in the BPUIC field. The actual data refers to the journeys actually travelled from the point of view of customer information, i.e. for example when a vehicle…

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  • The following changes have been made to the Park & Rail data set: Affected data and interfaces Cookbook: https://opentransportdata.swiss/cookbook/road-traffic-cookbook/park-and-rail/ Data: https://data.opentransportdata.swiss/dataset/parking-facilities

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  • From now on, Swiss traffic situations – known from radio reports – are available as Open Data on opentransportdata.swiss. Cookbook: Affected data and interfaces https://data.opentransportdata.swiss/en/dataset/trafficsituations

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  • Next Monday, 2025-05-26, there will be a deployment for a bugfix to the traffic light signalling systems (LSA). This will result in a short-term (approx. 15 min) interruption to the LSA real-time data. Cookbook Affected data and interfaces

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  • The old data catalogue was definitively switched off on 05 March 2025 and the data will only be made available via data.opentransportdata.swiss. All permalinks must be adjusted accordingly (see Information in the newsletter of 13 January 2025)

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  • From this point onwards, it will no longer be possible to view the usage and the remaining quota of existing keys there. For this overview, you need to register in the new API Manager (only available from 3 March 2025), create new keys and replace the existing ones. The old keys remain valid until further…

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  • Our archive of the actual data is now available at https://archive.opentransportdata.swiss/. Here you will find all the daily actual data files for each month in a ZIP archive. Data is available from 2016 to the last complete month. The data for the current month can be found at https://data.opentransportdata.swiss/en/dataset/istdaten. The actual data contains either actual…

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  • From 17 February 2025 update: 20 February 2025, the following “LargeAPI” (LA) data will only be accessible via the new URLs. We ask you to switch to the new APIs immediately. Important additional information: Affected data and interfaces

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  • Due to a change in the FOS service, you must create a new API key; the service is now called “Train formation services – Alpha”. Cookbook: Formation Service (Train Composition Data) Affected data and interfaces

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  • “Go live” of our new CKAN data catalogue at https://data.opentransportdata.swiss/en/. All permalinks must be adapted by 5 February 2025. From now on, all our Cookbook pages will also link to the new catalogue. Affected data and interfaces

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  • As announced, we stopped operating the TRIAS interface today. As an alternative to TRIAS, we offer the new interface CEN-Standard OJP 2.0. Cookbook: OJP 2.0 Work in progress

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