Drivers are being reminded that from 10pm tonight the tunnels on the A38 in Birmingham city centre will be closed for highway maintenance until 2nd September.
People who work in the city centre or who visit Birmingham are being urged to consider using public transport for the duration of six week closure programme.
Cameras from ITV News Central went inside the St Chad's and Queensway tunnels to see the work going on there.
The A38 St Chad's and Queensway tunnels through Birmingham are now closed - and will stay closed for six weeks until September 2nd.
The ITV News Central guide to alternative transport during the Birmingham A38 tunnel closures.