There are several stations on the British railway network that are really two different stations on different lines which have been joined together by a walkway or footbridge or a new station building.
To start the ball rolling, I would suggest Liverpool South Parkway which is the former Allerton station on the mainline from Liverpool to Crewe joined up to the site of the old Garson station on the Merseyrail line from Southport to Hunts Cross.
To start the ball rolling, I would suggest Liverpool South Parkway which is the former Allerton station on the mainline from Liverpool to Crewe joined up to the site of the old Garson station on the Merseyrail line from Southport to Hunts Cross.