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Drivers faced long delays heading towards the Dartford tunnel today.
Both tunnels were closed just before 11am for around 20 minutes, after a vehicle reportedly broke down.
At one point, traffic stretched back to the Darenth Interchange.
The congestion had cleared by 1pm.
Earlier, there were also long delays heading into Kent after a lorry blew a tyre on the Dartford Crossing.
Two lanes were closed on the QEII Bridge, causing traffic to grind to a halt just before 11am.
All lanes have since reopened and traffic is moving.
Listen to kmfm for the latest travel updates.