Simplify the following text for a Grade 13 native English-speaking person.
Original: It serves intercity routes to London Euston , Birmingham New Street , South Wales , the south coast of England and Cornwall , Edinburgh and Glasgow Central in Scotland , and routes throughout northern England in addition to the Manchester Metrolink light rail system .
Simplified: It serves intercity routes to London Euston , Birmingham New Street , South Wales and the south coast of England , Edinburgh and Glasgow Central in Scotland , and routes throughout northern England .