Manchester is very well served by train and in terms of passengers, Manchester Piccadilly was the busiest English train station outside London in 2005 and 2006. Northern Rail operates all over the north of England, and other operators include Virgin Trains. The Liverpool and Manchester Railway was the first passenger railway in the world. Greater Manchester has a very big railway network. The city centre has over a lot of park and ride sites. Manchester became the first city in the UK to get a new tram system when the Manchester Metrolink opened in 1992. There are lots of new lines being built.