Hackney carriage which a taxi may operate and include regulating the taximeter (not compulsory until 1907), the maximum age of the taxi (not more than 15 years), advertisements and the turning circle of . As part of the Transported by Design programme of activities, in 15 October 2015, after two months of public voting, the black cab was elected by Londoners as their favourite transport design icon. In London, hackney-carriage drivers have to pass a test called The Knowledge to demonstrate that they have an intimate knowledge of the geography of London streets, important buildings, etc. Learning The Knowledge allows the driver
London and Provincial Union of Licensed Vehicle Workers London and Provincial Union of Licensed Vehicle Workers The London and Provincial Union of Licensed Vehicle Workers (LPU) was a trade union representing taxi drivers in and around London. It was regarded as one of the most militant unions in the country. In 1890, the Metropolitan Cab Drivers' Trade Union was founded by John Burns and John Beasley. The following year, the London Cab Company raised the charges it made to cab drivers, but the union led a successful strike, and the company instead agreed to lower its charges. Membership peaked at 4,000, but had fallen to only 300 by