CETU information documents and memos available in English
These information notes and documents are intended to provide general information about a technique or a problem which at the time of writing is either new or for which there are few available documents. The contents and any conclusions presented must not be considered as recommendations by the CETU. Although every effort has been made to ensure the reliability of the sources used, the CETU or authors of the documents cannot be held responsible for any information which proves to be inexact.
Breakdowns, accidents and fires in road tunnels : statistics (2022)
Measuring nitrogen dioxide and controlling ventilation in road tunnels (2017)
The treatment of air road tunnels (2016)
Signalling and support measures for self-evacuation of users from road tunnels (2010)