The A5 has re-opened to the north of Milton Keynes following an accident earlier.
A closure was in force both ways between the Old Stratford Roundabout and Towcester.
Traffic was building on all approaches to the Old Stratford Roundabout as a result.
The road has since re-opened.
READ MORE: One person taken to Hospital following collision on A5 north of Milton Keynes as road re-opens