Monthly Archives: September 2013

The 2nd “Tunnels and ITS” Symposium, Norway

Sun 1 Sep 2013

Tunnel Sensors will be attending the 2nd Tunnel and ITS Symposium in Bergen Norway from the 18th – 19th September.   This second international symposium is organised jointly by the Norwegian Public Roads Administration and ITS Norway and will focus … More

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We think of tunnel sensors as one of our most reliable and valuable partners that can provide equipment and technical expertise of highest quality.

Vassilis Moustaferis
New Alert ICT Systems, Greece

Tunnel Sensors


The VIPA-L is a long path visibility monitor designed for use in ambient environments such as road, rail or other industrial applications.


The ILLIOS measures illuminance inside the tunnel bore to affect safe lighting conditions for drivers.


The LUMIOS MkIII measures the level luminance, or brightness, at tunnel portals to ensure that the visual perception of drivers is maintained, both day and night.