Motorway fork sign
A blue sign with a diagram showing a branch off the road ahead and the following text.
Forward destinations: London; Oxford; Swindon (E).
Exit destinations: Swindon (W); Royal; Wootton Bassett ; Calne; A3102 [Hollow circle diversion symbol].
Junction number: 16.
We've reached the western edge of Swindon, which is a bigger place thank you think. Among other things it's home to a lot of railway heritage, which is why the road leading into town from here is Great Western Way.