<P> The districts were later reorganised and reduced to six (with the abolition of Tower and Watling), and, following the Transport Act of 1985, were done away with in 1989 with privatisation imminent . </P> <P> In the 1980s the government of Margaret Thatcher decided to privatise the bus operating industry in the Great Britain . At the time, local bus transport was dominated by London Transport in London, and in other major cities by large municipally owned operators, as well as by the government - owned National Bus Company and Scottish Bus Group elsewhere . The Transport Act 1985 brought about bus deregulation throughout Great Britain which opened up local bus operation to private operators and required municipal companies to operate independently of local government on a commercial basis . </P> <P> In London a completely different model was used from the rest of the country; the Transport Act brought about the privatisation of London bus services, which required an arms - length subsidiary company of London Transport called London Buses to be set up with the remit to contract out the operation of services, but to determine service levels, routes, frequencies and fares within the public sector . </P> <P> This regime is still in place today, and bus operations in London must be put out to competitive tendering so that routes are operated by a number of private companies . In 2000, as part of the formation of the new Greater London Authority, the ownership of London Buses moved from the central (UK) government - controlled London Regional Transport to the Mayor of London's transport organisation, Transport for London (TfL). </P>

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