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A motorbike passenger has been taken to hospital after a crash on the A2 where the air ambulance was called.
Both carriageways were shut following the smash between a van and a bike on Jubilee Way in Dover.
The road is now clear but further delays were caused on the A258, A256 and the A20.
A Kent Police spokesman confirmed officers were called just after 3pm to the smash.
He said: "The incident caused the road to become blocked and a closure was enforced in both directions to ensure the safety of all road users.
"Officers attended alongside the South East Coast Ambulance Service and a woman, who was riding pillion on the bike, has been conveyed to a London hospital.
"The road had fully reopened by 5pm."
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