These documents and software consist of :

• guides (documents intended to serve as reference for the design, construction or operation of underground infrastructures
• informative documents (which are not recommendations, but provide background information and may help readers in their activities
• software (aimed at qualified professionals

See disclaimers

Most technical documents and software produced by the CETU are in French only (see Documents techniques et logiciels). The following documents can be downloaded in English :

• Information memo n° 26 - Measuring nitrogen dioxide and controlling ventilation in road tunnels (format pdf - 4 Mo - 16/10/2018) (nov. 2017)
• Methodological guide on safety exercises in road tunnels (format pdf - 1011.5 ko - 25/09/2018) (june 2017)
• Passive fire protection systems (format pdf - 1.1 Mo - 07/04/2017) - Justification of performance for road tunnel structures (march 2017)
• Extract from CETU tunnel lighting guidelines (chapter3 : " Llighting of short tunnels (format pdf - 1 Mo - 08/03/2017) "
• The treatment of air in road tunnels (format pdf - 1.3 Mo - 30/08/2017) State-of-the-art of studies and works (dec. 2016)
• Natural geological materials excavated during underground works (format pdf - 7.1 Mo - 17/07/2019) - Specificities, management scenarios and the role of the actors
  (may 2016)
• Road Tunnel Civil Engineering Inspection Guide
   Booklet 1 : From disorder to analysis, from analysis to rating (format pdf - 5.6 Mo - 13/10/2017) (jan. 2015)
   Booklet 2 : Catalogue of deteriorations (format pdf - 19.9 Mo - 13/10/2017) (jan. 2015)
• Information memo n° 23 : Definition of safety functions. Application to degraded operating modes and minimum operating requirements (format pdf - 732 ko - 28/04/2015) (july 2014)
• Air flow modelling for tunnels, volume 1 : Tools and choice criteria (format pdf - 731.8 ko - 20/11/2012) (may 2012)
• Environmental studies in road projects, "air" and health" sections - The specific case of tunnels (format pdf - 1.8 Mo - 08/01/2013) (oct. 2011)
• Tunnels master folder, document n° 5 : Environment (format pdf - 6.6 Mo - 20/04/2012) (july 2011)
• New release of CAMATT software
• Guide to road tunnel safety documentation
• Signalling and support measures for self-evacuation of users from road tunnels (format pdf - 1.1 Mo - 02/08/2011) (sept. 2010)
• Water mists in road tunnels (format pdf - 1.5 Mo - 26/10/2010) - State of knowledge and provisional assessment elements regarding their use (June 2010)
• Sprayable mortars for fire protection
• Sprayable membrane for water incomes treatment