FOUR vehicles have been involved in a crash on the A12 northbound.
The accident happened at 4.40pm between the Witham exits at junctions 21 and 22.
Fire crews from Witham and Tiptree attended the scene and helped make the vehicles safe and cleared up fuel.
No-one was seriously injured in the crash.
Traffic is queuing back as far as Boreham (junction 19) with delays of around 40 minutes as the carriageway is currently blocked.