There is queuing traffic and a road block after an accident involving 7 vehicles on the A30 Westbound at Jamaica Inn Road, Bolventor.
Cornwall Fire & Rescue said, "Members of the public travelling on the A30 at this time are advised of numerous collisions in the area, Fire, Police and Ambulance are on scene."
"Please travel at cautionary speed and be aware of conditions."
The A30 is partially blocked westbound after an accident at Bolventor. The barrier has been damaged and there's debris on the road near Jamaica Inn
In Cornwall there's a lane closed due to roadworks on the A30 at Bolventor.