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
Taxicabs of the United States Cab, Golden Cab, Executive Cab, Starcab, Alamo Cab, Taxi Dallas, and Ambassador Cab. Of the eight, Dallas Yellow Cab is the largest with approximately 1,000 taxicabs. Dallas Yellow Cab taxis are easily identified by their uniform yellow color. The other taxi companies’ vehicles are painted a variety of colors including blue (Alamo Cab), black/silver (Executive Cab), grey/white (Cowboy Cab) and burgundy (Starcab). Taxi transportation in Dallas is regulated by the City of Dallas Public Works and Transportation (PWT) office. PWT regulations govern a host of features of a taxicab as well as the permitting of drivers. Specifically, PWT rules determine