along 122 km of routes, of which 6.5 mi are underground. It uses Class 777 trains based on the Stadler ''METRO'' platform, which primarily operate on electrified track. The network carried 29.9 million passengers in 2024/2025. Since 2003 the network has been run as a concession, held by a 50:50 joint venture between Serco and Transport UK Group.

Merseyrail was established in