From its opening the station had two island platforms to facilitate across - platform transfer between the Mersey Railway and the Wirral Railway .
The station was built at the western portal of the Mersey Railway tunnel that ran into central Birkenhead and Liverpool 's city centre .
From its opening the station had two island platforms to facilitate across - platform transfer between the Mersey Railway tunnel   and the Wirral Railway .
The station was built at the western portal of the Mersey Railway tunnel that ran into central Birkenhead and Liverpool 's city centre .