Oxford Street is a major road in the City of Westminster in the West End of London, running from Marble Arch to Tottenham Court Road via Oxford Circus. It is Europe's busiest shopping street, with around half a million daily visitors, and as of 2012 had approximately 300 shops. It is designated as part of the A40, a major road between London and Fishguard, though it is not signed as such, and traffic is regularly restricted to buses and taxis.