Motorists have been facing long delays this morning (Thursday) in and around Newport.
The temporary lights have been stuck on red at the junction of Fairlee Road and Snooks Hill, approaching Coppins Bridge.
Drivers leaving the Medina Way dual carriageway onto the slip road to Fairlee Road have also been at a standstill.
Traffic has been backed up on Fairlee Road, St George's Way and Staplers Road.