Oxford
Motorway cantilever sign
A blue overhead sign suspended over the motorway from a post on the left, showing an upcoming exit and the following text.
Exit destinations: A43; (M40) [Hollow diamond diversion symbol] [Solid circle diversion symbol] [Solid triangle diversion symbol] Oxford .
Forward destinations: London, Northampton M1 [Hollow triangle diversion symbol].
Junction number: 15A.
References to "The SOUTH" have now ended, from which we can surmise that Northampton is where the south of England officially begins.