to withdraw articulated buses from London. London Central has successfully retained route 12 with new contracts starting on 6 November 2004 and 5 December 2011. New Routemasters were introduced on 28 March 2015. The rear platform remains closed at all times except for when the bus is at bus stops. Current route Route 12 operates via these primary locations: Dulwich Library East Dulwich Underhill Road Peckham Rye Barry Road Peckham Rye station Peckham High Street Camberwell Green Walworth Road Elephant & Castle station Imperial War Museum St George's Street St George's Circus Lambeth North station Lower Marsh St Thomas' Hospital / County Hall Westminster Bridge Westminster station Whitehall Trafalgar Square for Charing Cross station Haymarket Piccadilly Circus station Soho Conduit Street Hamleys Regent Street Oxford Circus station Oxford Circus Margaret Street Cultural significance The route passes a number of tourist attractions and landmarks and has been suggested as part of a cheaper alternative to formal bus tours of London. Between the stops by Sandi Toksvig is sub-titled The view of My Life from the top of The Number 12 Bus. References External links Timetable Bus routes in London Transport in the London Borough of Lambeth Transport in the London Borough of Southwark Transport in the City of Westminster