The Hindhead Tunnel in Surrey is just under two kilometres long and is one of the longest road tunnels in the UK. It takes the A3 beneath the Devil's Punch Bowl, a Site of Special Scientific Interest.
We carry out regular maintenance of the tunnel to keep it safe and working properly. When we do maintenance we try to avoid fully closing the tunnel and use a contraflow system instead.
The Hindhead Tunnel contains a range of technology. One of the latest additions are the ‘Swift Gates’ which were added in 2022.