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Guide to Road Tunnels Part 1: Introduction to Road Tunnels
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…
Measures to Reduce Crashes Adjacent to and within Tunnels
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.