1. Synthesis of international literature on the subject of “self-explaining and forgiving roads”.
2. Determination of the philosophy und terminology definitions of “self-explaining roads” and “forgiving roads” for Switzerland as well as a demarcation from other road-safety philosophies (e.g. Vision Zero, Shared Space, etc.).
3. Exemplary situation analyses of theory (standards) and practice (roads constructed) in terms of “self-explaining and forgiving roads” for the purpose of identifying deficits typical of Swiss conditions and deriving the actions required.
4. Defining and structuring a comprehensive research package on the subjects of “self-explaining” and “forgiving roads”. In particular, the research package will cover specifications for the individual part-projects including the estimated costs. It will stipulate the research strategy and, if necessary, will also contain rough content guidelines to meet Swiss conditions.
5. Drafting possibilities for the implementation of the philosophies.
6. Rough cost/benefit estimate of a consistent implementation of the philosophies.
Methods:
• Review of the literature and consideration for current, topic-related research projects (FGU 2008/002;VSS 2011/901;SVI 2011/001).
• Exemplary inspection of selected, relevant standards and sites.
• Expert workshops to identify workable approaches for Switzerland with due consideration for overriding goals (Via Sicura).
• Literature synthesis in terms of cost and benefit of the consistent implementation of the safety philosophies “self-explaining roads” and “forgiving roads".