Hackney taxi, also known as a black cab, is a type of taxi that is commonly found in cities such as London, UK. These taxis are distinctive due to their black color and the fact that they can be hailed on the street or picked up from a taxi rank. Hackney taxis are regulated by the local government and are required to meet certain standards, including having a meter to calculate fares and passing regular safety checks. Drivers of hackney taxis must also have a special license, known as a \\Hackney Carriage\\ license, which involves passing a rigorous exam and meeting other requirements. Hackney taxis are a popular and reliable mode of transportation for many people, particularly in urban areas where public transportation may not be as convenient or efficient.