Two vehicles involved in a crash on the A120 have now been moved to the hard shoulder.
The crash has happened on the eastbound carriageway between Stansted and Dunmow, according to an Essex Police spokesman.
The spokesman added: "Police are at the scene of a crash in Dunmow.
"The collision happened when a lorry and ice cream van struck each other on the east-bound carriageway of the A120 shortly after 1.30pm.
"A male driver of the ice cream van has been taken to Broomfield Hospital after sustaining facial injuries.
"His condition is being assessed by medical staff."