Mersey Tunnel Act 1925
WHEREAS the construction of a tunnel for vehicular and pedestrian traffic under the River Mersey between the city of Liverpool and the county borough of Birkenhead would be of public and local advantage and it is expedient that the lord mayor aldermen and citizens of the said city (in this Act referred to as "the Liverpool Corporation") and the mayor aldermen and burgesses of the said borough (in this Act referred to as "the Birkenhead Corporation") should be empowered to construct the tunnel...