Traffic is at a standstill on the A12 following an incident in which a car overturned near Chelmsford.The road has been blocked on the westbound carriageway of the A12 between Junction 17 for the A130 (Howe Green) and Junction 16 for the B1007 Stock Road for Galleywood.Related: Long delays are building up on the A12 northbound after a three-car crash near Brentwood.Essex Police is warning motorists to find alternative routes to bypass the closure that is seeing long queues building up towards...
