The Northern Line is one of the two commuter rail lines operated by Merseyrail in Merseyside, England, with Wirral Line being the other. A third line, the City Line, is not owned or operated by Merseyrail. All three lines are funded by Merseytravel.The Northern Line passes underground through Liverpool city centre with termini at: Hunts Cross to the south; Southport, Ormskirk, and Kirkby to the north.↑ ↑ ↑ 3.0 3.1 ↑ ↑