DRIVERS are being warned of delays with a three-car incident causing traffic on the A12.

The A12 is completly blocked heading northbound between Junction 19, at Boreham, and Junction 20, at Hatfield Peverel.

The closure has been caused by a collision involing three vehicles.

Traffic caused by the crash is causing heavy traffic on the A12.

As a result, drivers are advised to find a new route to bypass the long queues.