THE NORTHBOUND tunnel of the Hindhead Tunnel will be closed overnight for maintenance work between 9pm and 6am, from Monday, November 7, for four nights.
Traffic will be diverted through the southbound tunnel in contraflow under a 40mph speed limit.
And next week maintenance work on the bridge over the A3 at Guildford will take place for two nights.
Lane closures will be in place on both carriageways overnight with diversions in place, between 9pm and 6am, from Thursday, November 10, for two nights.