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Roadmap SKI

The goal of the SKI Roadmap is to improve planning certainty in public transport in Switzerland as far as the exchange of base, timetable, realtime, and disruption date is concerned (general term: customer information data). For that purpose, all known changes affecting SKI interfaces are analysed, prioritised and given a timeline every year. Exact details on that process can be found in the SKI Roadmap framework document.

Frame Roadmap SKI (as at: March 2021)

Items Current valid version Status* Comments
Manual Roadmap SKIRoadmap SKI: Frame document (version 1.1)

Download: DE | FR | IT
Binding

As described in that document, the upcoming changes are prioritised each year by the SKI Management Board and then planned on a timeline. The detailed descriptions of all changes are likewise updated each year. The changes are assigned a stable ID.

List of changes (as at: March 2021)

Items Current valid version Status* Comments
Fact sheets of all changes 2020Roadmap SKI: List of Changes (version 2020)

Download: DE/FR/IT
Binding
Fact sheets of all changes 2021Roadmap SKI: List of Changes (version 2021)

Download: DE/FR/IT
ReviewThe differences between version 2020 and 2021 can be found in the spreadsheet "Change": Link

Priority

The changes are ranked in a list of priority. The order of priority does not necessarily correspond to the order in which the changes are implemented. The list of priority is primarily for clarification in the event of clashes.

Priority is determined based on the following four criteria. Each criterion is rated according to a four-point scale, with a high value being positive and a low value being negative. The weighting for each criterion is given in brackets:

  • Costs (25%): Evaluation of the size of investment required of the entire Swiss public transport system to implement each change. The individual expenses of each transport company is not taken into account.
  • Regulatory (25%): Evaluation of whether there are any binding directives (legislation) behind the change of if there is a degree of autonomy for implementation. However, it may also relate to a completely voluntary change.
  • Customer benefit (25%): Evaluation of customer benefit. This comprises several aspects: can the customer get more precise and more consistent information (across all channels) thanks to the change. Information transmitted via new channels is also taken into account.
  • Other added value (25%): This is an evaluation of various benefits (besides customer benefits) which would not carry enough weight if taken by themselves. This includes, but is not limited to, system benefits, scope, impact among users and speed at which customer information is disseminated.

The mean average of all four criteria is used to create a ranking. The priority therefore corresponds to the rank in the current binding list of priority.

Priority List (as at: March 2021)

Items Current valid version Status* Comments
Priority List 2020Roadmap SKI: Priority List (version 2020)

Download: DE/FR/IT
Binding
Priority List 2021Roadmap SKI: Priority List (version 2021)

Download: DE/FR/IT
ReviewThe differences between version 2020 and 2021 can be found in the spreadsheet "Priority": Link

Planning

In the list of milestones, the changes are planned quarterly for the defined milestones. The date by which the corresponding milestone must be completed is always specified. If no date is specified, and it is listed as ‘Optional’, it means implementation of the change is not mandatory.

The designations ‘In’ and ‘Out’ stand for ‘Inbound’ and ‘Outbound’ from the perspective of the central SKI systems. The type of interface to which the change relates is also specified (B = Base, T = Timetable, R = Realtime, O = Opendata).

As a remind, the meaning of the individual milestones is outlined below:

  • MS (1): Management Board decision after initiation of the change
  • MS (2): Management Board decision on the technical specification
  • MS (3): Management Board decision on implementation guidelines for the interfaces
  • MS (4): Initial date for connection to the SKI systems
  • MS (5): Final connection date for all licensed transport companies

Milestone Plan (as at: March 2021)

Items Current valid version Status* Comments
Milestone Plan 2020Roadmap SKI: Milestone Plan (version 2020)

Download: DE/FR/IT
Binding
Milestone Plan 2021Roadmap SKI: Milestone Plan (version 2021)

Download: DE/FR/IT
ReviewThe differences between version 2020 and 2021 can be found in the spreadsheet "Milestones": Link
*) Information on the status of the directives
Binding = Binding for public transport in Switzerland, offical validation by Management Board SKI
Review = Document is under review, no validation by Management Board SKI
Draft = Work in progess, no validation by Management Board SKI
SKI Roadmap

Contact

Geschäftsstelle SKI

Systemaufgaben Kundeninformation
Wylerstrasse 123/125
3000 Bern 65, Schweiz
geschaeftsstelle.ski@sbb.ch

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