Road Safety in Tunnels

Since 1992 the PIARC Technical Committee on Road Tunnel Operation (C5) (Working Group on Traffic and Geometry) has started a world-wide survey in order to update the data on road safety. In addition to the global information on road safety, the various members of the Group have been requested to produce special studies on various structures, to allow the detailed analysis of problems related to breakdowns, accidents and fires and to draw more valuable information on design and operation of tunnels [...]

Safety Improvement on Interurban Roads

Part one of the report is intended for political decision makers, to persuade them that implementing specific safety programmes is useful, getting them to understand that safety operations are not necessarily complicated and expensive. When road improvement schemes are programmed on the basis of multiple objectives, decision makers should give priority to the safety aspect. The remainder of the report concerns both decision makers and engineers. Apart from localized "black spot" type methods, [...]