As the capital marks 150 years since the first section of the London Underground opened, Metro Newspaper round up ten of the best facts about the Tube.
10 – In 2011/2012 a record 1.171billion passenger journeys took place on the Tube, 64 million more than the previous year.
9 – East Finchley to Morden via Bank is the longest continuous tunnel on the network at 17.25 miles (27.8km).
8 – The Tube’s logo, the roundel, a red circle crossed by a horizontal blue bar, first appeared in 1908.
7 – Each Tube train travels an average of 114,500 miles (184,269km) per year.
6 – There are 4,134 carriages, 426 escalators and 164 lifts on the London Underground.
5 – The average speed of a Tube train is 33km/h, but speeds of up to 50mph can be reached on the Victoria line and 60mph on the Metropolitan.
4 – The Jubilee line is the deepest on the entire network at 32m (105ft) below sea level – 68.8m (221ft) below ground level.
3 – Waterloo is the busiest station on the Tube with 57,000 people passing through during the three-hour morning peak; 82million per year.
2 – There are 270 stations on the London Underground, 260 of which are managed by 19,000 staff.
1 – The network extends to 249 miles (402km), just 45 per cent of which is in tunnel.