 The Birkenhead Central depot was closed in 1997, although the depot housing still exists along with all the track.A single siding, nearest to the Ellesmere Port and Chester-bound platform of Birkenhead Central station, is frequently used for the storage of Merseyrail Classes 507 and 508 units.The depot was used for the storage and maintenance of Class 503 units, as well as the earlier Mersey Railway electric units.