Miles of new cabling installed in Saltash Tunnel
The process to modernise the Saltash Tunnel has now reached the main phase of technology work.National Highways said the scheme will see 31 miles (49.8km) of new cabling installed within and around the 410-metre tunnel.There has already been installation of over 20 miles of cabling through the tunnel, installation of new internal tunnel gantries, the replacement of existing sensors to improve air quality monitoring and more.Julian Mitchell, National Highways tunnel manager, said: "This generational, £25m upgrade is a…
