The Hindhead Tunnel, opened in 2011, is part of the 4-mile dual-carriageway Hindhead bypass that replaced one of the last remaining stretches of single-carriageway on the 68-mile A3, the London to Portsmouth road. The bypass was constructed to improve road safety, reduce congestion and improve air quality.

When was Hindhead Tunnel open?

Hindhead Tunnel today

The southbound tunnel opened to traffic on July 27, 2011, and the northbound tunnel opened two days later. In 2017 Highways England said that the tunnel had reduced journey times by up to 24 minutes.

When was A3 tunnel built?

Plans to build the tunnels got the official go-ahead in 2001 and work started in 2007 with it being fully complete in 2011. It is now the longest under-land road tunnel in the UK, stretching out 1.3 miles.