Built in 1847, Birkenhead’s Haymarket Tunnel linked the railway to the docks until closing in the 1990s.

Built in the late 1870s, the 880-yard Woodside Tunnel linked Birkenhead’s main line to Woodside Station until its 1967 closure.

Opened in 1844, the Monks Ferry Tunnel linked Birkenhead’s railway to the Mersey ferries and, though closed in the 1960.