Traffic is backed up towards the A689 and the A179 junction in Elwick.
A spokeswoman for Cleveland Police said the force received a report of a crash at 7.40am.
“There were two cars reported to be on the central reservation after a damage only crash,” the spokeswoman said.
Also the A1 southbound carriageway is closed between J56 and J53, near Scotch Corner, while emergency services deal with an incident.
The smash involved a HGV which had caused a large spillage and significant barrier damage just before 6am.
Fire crews from Richmond and Colburn attended this incident at around 5.37am and removed a door from a HGV allowing the driver to walk free after it collided with the highways barrier.