Article
The World's Oldest Underground System
The London Underground is an underground railway system - also known as a rapid transit system (Tube). London is served by 12 Tube lines. It is the world's oldest underground system. The Underground has 275 stations and runs over 253 miles (408 km) of line.nnSince 2003, the Underground has been part of Transport for London (TfL), which also administers numerous other transport-related functions, including the famous red double-decker buses.nnIn the early 20th century, the pre
December 7, 2007