Publications

The Guide to Road Tunnels Part 2 provides guidance to those making decisions in the planning, design, operation and maintenance of new road tunnels in Australia and New Zealand. Principles and standards identified are based on both Australasian and…

Guide to Road Tunnels Part 4 provides guidance on the retrofitting of existing tunnels, including the need for refurbishment, the types of refurbishment and processes for developing project requirements. Guidance is provided on geometric…

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…

Geotextiles discussed in Part 4G are made essentially from polymer mixtures. Geotextiles are permeable fabric materials used in engineering applications. They can be used to separate, reinforce, filter or drain. They may be used to provide…