ONE lane closed on A12 London-bound around junction 13 with the B1002 at Ingatestone because a spillage of chemicals across the road.
A third of a tonne of powdered chemical split from the vehicle's trailer and one lane was closed as crews dealt with the incident.
The A12 southbound between Ingatestone and Margaretting has been closed since 5.20am.
Five fire crews from Ingatestone, Brentwood, Grays and South Woodham Ferrers made the area safe by 6.14am and left the incident in the care of a contractor to clear the chemicals.
There is a van on fire on the hard shoulder of the M25 clockwise at junction 27 M11 to junction 28 with the A12 - police are holding all traffic.
In Chelmsford the Colchester Road southbound A130 is slow between the the Boreham Interchange and the White Hart Lane Sainsbury's roundabout.
Slow traffic on M11 southbound between junction 5, A1168 at Loughton and junction 4, A406 with Woodford is also causing delays.
The A12 southbound has slow moving traffic between junction 12 at Shenfield A1023 and junction 11 Brook Street on the M25.
There's queuing traffic on A13 westbound between Wennington Interchange in Wennington and Ripple Road Junction in Barking.
Traffic is very slow on M25 anticlockwise between junction 28, A1023 at the Brook Street roundabout and junction 27 M11 due to roadworks area.
The A127 at the Southend Arterial Road London-bound between Dunton Wayletts and Romford is suffering from slow traffic.
And the A13 London-bound between North Stifford and Lakeside is also slow.
The A1089 in Grays partially blocked and queuing traffic northbound before Baker Street Interchange, because of a broken down lorry.
There's queuing traffic as usual on M25 clockwise at the A282, QE2 Bridge with congestion to junction 30, with the A13 at Lakeside.
