The new Hindhead Tunnel is the first in the UK to use radar-based incident detection. Paul Arnold, project manager with the Highways Agency, talks about the project. The comparatively remote location of the A3 Hindhead Tunnel has resulted in it becoming one of the most sophisticated in the UK in terms of monitoring and control systems, according to Paul Arnold, project manager for the Highways Agency (HA), which manages strategic roads in England and Wales. It is the first tunnel in the UK to use radar for