Public transport in the UK includes various modes such as buses, trains, and the underground system. Major cities like London have extensive networks, making it easy for residents and visitors to travel. The National Rail system connects towns and cities across the country, while local buses serve urban and rural areas. The London Underground, also known as the Tube, is one of the oldest and most famous subway systems in the world. Public transport is generally affordable, with options like travel cards and passes available for frequent users. Overall, the UK’s public transport system is vital for daily commuting and tourism.