Transport in the United Kingdom includes a variety of options such as trains, buses, and cars. The National Rail network connects cities and towns, making it easy for people to travel long distances. Urban areas often have extensive bus services, while many cities also offer trams and subways for local travel. Cycling and walking are encouraged in many areas, with dedicated paths and lanes. The M25 motorway is one of the busiest roads, encircling London. Additionally, ferries and airports facilitate travel to and from the UK, connecting it with other countries.