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: A509 [Hollow diamond diversion symbol] Milton Keynes; Newport Pagnell .
Forward destinations: The NORTH, Birmingham; Northampton M1 .
Junction number: 14.
Now we've got to Milton Keynes the M1 has finally woken up to the fact it lets you travel the country, and all of a sudden Birmingham is promised. Hoorah!