![Premium Photo | Underground sign in westminster arch, jubilee line, london. london underground is the busiest metro system of the world with 1.1 billion annual rides Premium Photo | Underground sign in westminster arch, jubilee line, london. london underground is the busiest metro system of the world with 1.1 billion annual rides](https://img.freepik.com/premium-photo/underground-sign-westminster-arch-jubilee-line-london-london-underground-is-busiest-metro-system-world-with-1-1-billion-annual-rides_536604-2615.jpg?w=2000)
Premium Photo | Underground sign in westminster arch, jubilee line, london. london underground is the busiest metro system of the world with 1.1 billion annual rides
![LONDON, UK - JULY 9, 2016: London Underground station sign in London. London Underground is the 11th busiest metro system worldwide with 1.1 billion annual rides. Stock Photo | Adobe Stock LONDON, UK - JULY 9, 2016: London Underground station sign in London. London Underground is the 11th busiest metro system worldwide with 1.1 billion annual rides. Stock Photo | Adobe Stock](https://as2.ftcdn.net/v2/jpg/02/96/74/17/1000_F_296741726_umvfPFAYaw1bzf7xPEZKPPv6LMyeV09F.jpg)
LONDON, UK - JULY 9, 2016: London Underground station sign in London. London Underground is the 11th busiest metro system worldwide with 1.1 billion annual rides. Stock Photo | Adobe Stock
![Amazon.com: London Underground Metro Sign Personalized Artwork with Names and Date : Handmade Products Amazon.com: London Underground Metro Sign Personalized Artwork with Names and Date : Handmade Products](https://m.media-amazon.com/images/I/418yj7g8+2L._SY350_.jpg)