All lanes have now been reopened following an accident on the A1 this morning.
Traffic is now moving well following a crash on the A1 earlier this morning.
Motorists were warned of tailbacks after a car overturned car on the A1 near Darlington.
The vehicle crashed just before the junction with the A167 between Newton Aycliffe and Darlington and partially blocked the southbound carriageway.
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Highways England said all lanes have now been re-opened and the slight delays are clearing.