Evolution of a risk indexing method for evaluating safety in Swedish railway tunnels
A risk indexing method for evaluating safety in railway tunnels has been developed. Firstly, ahierarchical structure with one objective, three sub-objectives, four strategies and ten attributes weredefined. Secondly, attributes were elaborated and developed by means of assessable parametersrelated to tunnel safety. Thirdly, the relative importance of the attributes was analysed and assessed bymean
