 In 2003, the infrastructure was partly privatised in a public–private partnership managed by the Metronet consortium.Metronet went into administration in 2007 and Transport for London took over responsibilities.On 12 December 2010 the service to Amersham was reduced from four trains per hour to two, and a direct service between Chesham and central London was introduced, replacing the 4-car Chesham to Chalfont & Latimer shuttle.