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A motorcyclist has been injured after hitting the central reservation of the M20 near Ashford this afternoon.
The motorway was shut in both directions after the crash, on the London-bound carriageway, at about 5pm.
Commuters faced long delays, with a section of the road between J9 and J8 shut and causing knock-on congestion.
By around 5.30pm, one lane of the coast-bound carriageway was reopened - but the London-bound stretch remained closed until around 6pm.
The air ambulance is understood to have landed at the scene, but the biker's condition is unknown.
The Highways Agency warned motorists to expect delays during the evening rush-hour.