fans and electronic signage – will involve piling and excavation work before cabling and lighting installations through the spring. National Highways Tunnel Manager Julian Mitchell said: “We ...
to make the tunnel fit for now and for the future. "Ultimately this will reduce the number of future maintenance closures.” Preparatory work, including the stripping out of old cabling ...
The tunnel will be closed on weeknights ... out the outdated and redundant equipment and cleaning and preparing cable routes for the kilometres of cabling that will need to be installed." ...