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
Space Taxi and a shooting robot relating to "RobotWar" (1981, Silas S. Warner). Kutcher wrote "Space Taxi" while a freshman at Hopkins University. The physics in the game were influenced by "Lunar Lander". "Space Taxi" was cloned several times for the Amiga, once keeping the original name and once as "AirTaxi". A similar game on the PC was called "Ugh!", where the player controls a caveman with a flying contraption. For Windows Phone a remake of the first eight levels was published in 2012 as "Sketch Taxi". "Space Taxi 2", an authorized sequel to "Space Taxi", was released by Twilight Games in