Publications

Guide to Road Tunnels Part 1 outlines the structure of the Guide to Road Tunnels, while also introducing road tunnel planning. Part 1 describes key issues and considerations related to the implementation process, road tunnels in the context of a…

This report identifies factors that contribute to the occurrence and severity of crashes adjacent to and within tunnels and suggests remedial treatments that will reduce the incidence and severity of these crashes.

This report provides information about the design, construction and maintenance of 122 road tunnels in Europe, Asia, North and Central America, Australia and New Zealand.

The project was designed to assemble information on the construction and…