Merseyrail is a commuter rail network which serves Merseyside and adjacent areas of Cheshire and Lancashire. Merseyrail serves 69 stations, 67 of which it manages, across two lines – the Northern Line and the Wirral Line. The network uses 750 V DC third rail electrified lines having 75.0 miles (120.7 km) of routes, of which 6.5 miles (10.5 km) are underground. Since January 2023, Merseyrail commenced replacing its train fleet, withdrawing the Class 507 and 508 trains and introducing 53 new Class 777 trains. The network carried 28.3 million passengers in the 2023/2024 statistical period.
