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The A21 has reopened after it was closed in one direction after a crash led to an oil spillage - and later was affected by a lorry fire.
The Sevenoaks bypass was shut northbound causing queuing traffic from the A2014 Pembury Road at Tonbridge to the A225 Morley's Roundabout at Hildenborough.
Kent Police were called at 7.36am after a car hit the central reservation and closed the road.
One lane remains closed while highways teams clear up the area.
There was around 2.5 miles of trapped traffic following the closure.
Police are at the scene.
At 10.26am police patrols helped fire crews after smoke began emerging from a lorry's trailer.
Fire crews dealt with the incident.