The introduction of steam trains in the early 19th century revolutionized public transport in the UK. The first steam-powered passenger railway, the Stockton and Darlington Railway, opened in 1825, marking the beginning of a new era in transportation.
London is a visitor friendly place and travelling around in London is very well provided for, with various forms of transportation. The most common mode of transport is the London Underground (aka The Tube) and it operates throughout the day [from early morning to late at night]. Other forms include buses, taxis etc. The whole city is divided into 6 zones with zone 1 and 2 referred to as 'Central London'.