MOTORISTS are to expect delays after a section of the A12 has become partially blocked following a crash.

Traffic control has reported a crash on the A12 northbound after Junction 21 with the B1389 Hatfield Road this afternoon.

It was first reported just after 3pm and traffic is said to be heavier than normal.

Traffic is reportedly also slow on the opposite side of the road.

Drivers should expect delays in the area.

Essex Police have been contacted for a comment.