There are delays of up to 20 minutes on the A303 in in both directions between A30 (Upottery) and A358 / B3168 Station Road (Southfields Roundabout, Ilminster).
The road is closed due to a serious accident. Two vehicles were involved.
Air ambulance attended the scene. One person was airlifted to Frenchay Hospital in Bristol. Police say the person is seriously injured.
The A30 has re-opened between the A303 (Upottery) and the A35 Monkton Road in Honiton. The earlier accident involving a motorbike has now cleared and the traffic is easing.
The A303 remains closed between Upottery in Devon and Ilminster in Somersest after a serious accident. It happened on the A30, which is closed between Stockland Hill to the A30/A303 junction. It's causing major queues in the area.
DIVERSION: Motorists are advised to follow the solid black circle symbol. Those travelling westbound should leave the A303 onto the A358 north to M5 J25 to head west via the M5. Those heading eastbound should leave the A30 at Stockland Hill and follow the above in reverse.
The A303 is closed between the A30 at Upottery and the A358 Southfields Roundabout at Ilminster in Somerset. It follows a serious accident involving a motorcycle near the Devonshire Inn Farm. Police are at the scene. It's causing major queues on surrounding roads.