I have had the opportunity to speak in international conferences fro time to time
2003 European tunnel seminar
2004 Tunnel safety
This was the first time, and my presentation was about measuring techniques in road traffic tunnels, and the title was:
2006 Tunnel safety
The second time in Graz, my presentation was about the adjustment of the ventilation I the Tromsų tunnels. This is a complex of tunnels, with 5 entrances, and three roundabouts inside the mountain.
2008 Tunnel safety
Poster presentation of the merging of camera control to tunnel monitoring and control system
2008 15th International ITS conference
How to use cellular phones for indicating the number of people inside a tunnel during fire.
2009 5 th International Conference TRAFFIC AND SAFETY IN