A man received head and spinal injuries tonight after a rush-hour crash on the London-bound A12.
The accident, which occurred near the Maldon turn-off shortly before 5pm, saw three fire engines, two ambulance vehicles and police attend the scene.
Lanes were closed while the emergency services dealt with the man, who is in his 30s and is understood to have non life-threatening injuries.
He was taken by ambulance to Broomfield Hospital for further treatment.