A green sign with a diagram showing an exit branching off the road ahead and the following text.
Forward destinations: Berwick; upon Tweed A1 .
Exit destinations: Pencaitland; Longniddry; B6363; Gladsmuir; Macmerry; (A199).
Junction name: GLADSMUIR JUNCTION.
The A1 east of Edinburgh is sometimes referred to as a "secret motorway", a reference to the fact that it was built using Special Road legislation, which is normally used to create motorways, without ever being designated as one.