This connection from the M180 to the west of Scunthorpe clearly has ideas above its station, and was granted its own number when other spurs of greater length do perfectly well without.
Oxford's Zero Emission Zone is just a trial, but transport policy in Oxford has become the catalyst for pitched battles and drawn in protestors from across the UK. What's happening to this genteel university town?
The most Frequently Asked Questions where British Roads are concerned, and the answers. A good place to start if you're new to the subject or you're looking for quick facts.