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Police are at the scene of a serious accident on the A249 this evening.
It is believed that a car was in collision with the rear of a parked lorry.
A section of the northbound carriageway of the road between the A2 and junction 5 of the M2 has been closed.
Traffic delays are building but a diversion onto Maidstone Road has been put in place.
Police spokesman Scarlet Jones said: "Kent Police are attending the scene of a serious collision on the A249 near to the Stockbury roundabout, Sittingbourne, following a call at 6.59pm.
"Officers, the South East Coast Ambulance Service and Kent Fire and Rescue Service are at the scene."