A metro-style rail service in the Liverpool/Birkenhead area in the UK. The service 'Merseyrail' only operates the Wirral and Northern lines, but the company that owns it all - Merseytravel - also operates some stations served by the train company Northern on the 'City line'.
- the City line is not served by Merseyrail, only Northern, but Merseytravel include the stations in their network.