A man had to be cut from a vehicle after a smash between a lorry and a van which sparked huge delays on a stretch of the A19.
Emergency services - including three crews from Stockton and Hartlepool fire stations - were called out to the southbound carriageway at Ron Perry Services, near Wolviston, shortly before 8am this morning.
One male had to be cut free from one of the vehicles after the collision.
He was transported to the University Hospital of North Tees with a suspected neck injury.
Commuters faced long delays, with tailbacks stretching back up to three miles on the busy route.
A Cleveland Fire Brigade spokesman said: "Stockton and Hartlepool fire crews attended after a crash involving a van and a HGV.
"One person was trapped and had to be extricated from a vehicle.
"The man was transported to hospital by ambulance.
A North East Ambulance Service spokesman said: "We were alerted to a crash between a HGV and a van at 7.48am this morning.
"One man was taken to the University Hospital of North Tees complaining of neck pains.