A blue sign with a diagram showing a branch off the road ahead and the following text.
Forward destinations: The SOUTH; Darlington.
Exit destinations: Bishop Auckland; Hartlepool; Teesside; A689.
Junction number: 60.
Teesside isn't a place - it's a whole region, used as a proxy for Stockton, Middlesbrough and a range of other places around the Tees estuary. Its airport is further down the A1.