Black Cab Drivers refers to licensed taxi drivers in London, England who operate traditional black cabs (a type of vehicle). These drivers are known for their knowledge of London and its landmarks, as well as their ability to navigate through heavy traffic. They must complete a rigorous training program and pass the "Knowledge" test, which requires them to memorize the layout of London's streets and landmarks in order to obtain their license. Black cab drivers are also known for accepting street hails or providing pre-booked rides throughout the city.