A MAJOR south Essex road is “partially blocked” and traffic is mounting after a crash.

According to AA Traffic News, cars are queuing on the A12 at Junction 12 A1023 Chelmsford Road (Mountnessing/Shenfield),

It comes following reports of a crash at 6.47am.

The traffic site added: “The road was blocked from around 7.35am but sensors show traffic is now getting past the scene.”