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
National Taxi Workers' Alliance chapter works to secure resources to help with membership recruitment, dues development, and institution-building. The National Taxi Workers’ Alliance’s most active chapter remains the one in New York. Over 15,000 taxi cab drivers are currently members of the NYC Chapter. More than 90 percent of NYC’s cab drivers are immigrants, belonging mostly to the South Asian diaspora from countries such as Bangladesh, Pakistan, and India. Currently the National Taxi Workers’ Alliance does not have any collective bargaining rights as they represent a non-traditional workforce. Taxi cab drivers are not covered under the Fair Labor Standards Act which protects workers’ safety