Claim: The Hounslow East tube station, managed by London Underground, the world's 12th busiest metro system, has an average of 4.05 million annual entry and exit.
Evidence: London Underground The network has expanded to 11 lines, and in 2017/18 was used for 1.357 billion passenger journeys, making it the world's 12th busiest metro system. 4.52 million 3.87 million 4.04 million 3.90 million 3.92 million