Great Whipsnade Railway and is manned by platform staff during train operation. The Whipsnade Central station has an old-fashioned signal box which can be seen when leaving or approaching the station platform. Great Whipsnade Railway The Great Whipsnade Railway, also known as The Jumbo Express, is an English, narrow gauge heritage railway that operates within ZSL Whipsnade Zoo in Bedfordshire, England. Construction of the railway started in 1970 and the initial line opened on 26 August 1970. The line provided rides within the animal enclosures and an additional attraction in its own right. Originally called the Whipsnade and Umfolozi Railway, it began as
Milwaukee County Zoo mall, and grizzly bear den. The zoo also opened with a gauge miniature railway, the "Zoo Line", which carried visitors around the zoo to view the exhibits and construction. The Zoo Line (now known as the "Safari Train") has continued to run, operating with real steam locomotives. In 1959, construction started on the dall sheep mountain and the Alaskan bear exhibit. On May 13, 1961, the Milwaukee County Zoo officially opened to the public. Later additions included the aviary (1962), the Australian building (1963), the original animal hospital (1963), the small mammal building (1965), the aquarium (1968), and the reptile