The A39 is closed in both directions due to a fallen tree at Perranarworthal.
It's affecting the stretch between Cove Hill and Greenbank Road and there are reports of heavy traffic.
Police are at the scene and are directing people away from the area.
The A39 Eastbound is blocked due to fallen tree at Playing Place.
It comes after a night of heavy rain and some gale force winds.
Police have confirmed that the A39 at Perranarworthal has reopened after serious accident this morning.
Anyone who witnessed the crash is asked to come forward.
Three men have been seriously injured in a collision between two cars on the A39 near Truro.
The crash happened at around 4.50am on Wednesday 4 November at Perranarworthal, between the Norway Inn and Devoran.
Fire and ambulance crews attended, two of the men have been taken to the Royal Cornwall Hospital in Treliske.
The road has been closed and is not expected to reopen until midday.
Police are asking anyone who saw the crash to call 101 quoting reference 74 of the 4th of November.
The A39 in Cornwall is closed in both directions between Penryn and Devoran.
The closure comes into effect at the B3292 (Treluswell Roundabout) and is causing congestion on the A39 to the A394.
It's after an accident involving two vehicles early this morning (4 November). The road closure is expected to last until midday.
A teenager and his father have helped save a man whose lorry tipped over and rolled into a field near Barnstaple earlier today.
This is what Barry Pope from Bath had to say. He, together with his son Cameron came to the aid of the driver.
The A39 at Shirwell near Barnstaple has been closed for much of the afternoon after the crash.
The driver of the HGV was taken to hospital but eyewitnesses said he appeared not seriously hurt.
The vehicle is believed to have been carrying bagged animal feed.
Watch: Our film of the lorry once the rescue vehicle had arrived:
The family of a young cyclist who died after a crash in Bridgwater last week have paid an emotional tribute to him.
21-year-old Zak Pople from Woolavington in Somerset died in hospital five days after his bike collided with a van on the A39 Bristol Road.
More than £6 million worth of funding has been announced this week to renew the A39 at Trispen.
The 8km route between Truro and Carland Cross carries around 13,000 vehicles a day.
Now the route is to be resurfaced, safety fences will be added, and the draining system will be refurbished. There will also be new provision for cyclists along the route.
Transport Secretary Patrick McLoughlin confirmed the upgrade would go ahead after his visit to Cornwall yesterday. The Department of Transport will provide £5.22 million towards the scheme, with Cornwall Council putting in a further £1.1 million.
The work will start later this year and should be finished by March 2016.
Cornwall Council have welcomed the confirmation of the new funds, but say a long term maintenance programme is needed:
A man in his twenties has died after his car left the road and hit a tree. He was pronounced dead at the scene.
His family have been informed.
The crash happened at Perranarworthal on the A39 near Truro.
The Truro-bound carriageway of the A39 remains closed while officers carry out a forensic examination of the scene. Drivers are asked to find an alternative route.
There's been a serious collision between a car and a log-carrying lorry on the A39 near Bideford in North Devon.
The lorry has overturned, shedding its load of logs across the carriage way.
Police and other emergency services are at the scene. Paramedics treated the car driver at the scene and he has been taken to North Devon District Hospital with potentially life threatening injuries.
The road closed has been closed at Westleigh and Roundswell, and is expected to remain closed for most of the day.