Two Ford Transit vans were involved in a head-on collision on the A120 in Horsley Cross, Essex.
One male driver had to be cut out of his vehicle by firefighters.
He was taken to hospital with a suspected fractured femur.
The other driver was not believed to be injured.
The road was blocked near the Clacton Road junction causing delays going eastbound.
The crash happened around 5.30pm.
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