Taxicabs of the United Kingdom

Taxicabs are regulated throughout the United Kingdom, but the regulation of taxicabs in London is especially rigorous with regard to mechanical integrity and driver knowledge. An official report observed that: "Little however is known about the regulation by anyone outside the trade. The Public Carriage Office, which regulates and licenses taxis and private hire (commonly known as minicabs) was transferred from the Metropolitan Police to become part of Transport for London in 2000." In 2015, there were around 298,000 licensed drivers in England, of which 164,000 were private hire licenses, 62,000 were taxi licenses and 72,000 were dual licenses.

Only licensed hackney carriages can pick up passengers on the street and without pre-booking. London's traditional black cabs (so-called, despite being of various colours and advertising designs) are specially constructed vehicles designed to conform to the standards set out in the Conditions of Fitness. London taxi drivers are licensed and must have passed an extensive training course (the Knowledge). Unlike many other cities, the number of taxicab drivers in London is not limited. For many years purpose-designed vehicles were used, but from about 2008 specially-adapted "people carrier" vehicles have also been used.

There have been many models over the years. The space beside the driver's seat can be used for luggage, although there is much luggage room in the passenger compartment. For improved manoeuvrability, the turning circle is smaller than other vehicles of similar size (a black cab is said to be able to "turn on a sixpence"). The cab seats three people on the back seat, and two more in backwards-facing "jump seats". There is good headroom, to facilitate entry to and exit from the vehicle. A ramp for access by disabled people is fitted.

In London the term minicab is used to refer to a private hire car and "private hire" is used in the rest of the United Kingdom; that is a car with a driver available for hire only on a pre-booked basis. They began operating in the 1960s in competition with hackney carriages after a loophole in the law was spotted (although in some areas it is possible to hold a dual hackney/private hire licence). A minicab must be booked, for example, by telephone, internet, or fax, or in person at the registered minicab office. A minicab can be booked at the time it is required, but only at the office of a company registered to accept bookings rather than directly with a driver.

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