A blue sign with a diagram showing a branch off the road ahead and the following text.
Forward destinations: SOUTH WALES; Swindon.
Exit destinations: Hungerford; Wantage; A338.
Junction number: 14.
For an extended period here - from just before this junction until Swindon - we shadow the B4000, which is Ermin Way, a Roman Road that led to Cirencester and Gloucester.