. _:vb7538836 "2013 March 1, \u201CFears for future of vital link between two train stations\u201D, in The Kent and Sussex Courier, Tunbridge Wells, Kent, page 14:"@en . "1" . . _:vb7538835 "1942 February 1, \u201CPennsylvania Installs Centralized Traffic Control On 60.7 Miles of Single Track\u201D, in Railway Signalling, Chicago, page 78:"@en . _:vb7538835 . _:vb7538837 "On the now defunct Guildford-to-Horsham line, there was a foolproof way of avoiding collisions on singletrack lines"@en . _:vb7538834 . _:vb7538836 . . _:vb7538837 . _:vb7538834 "(railroads) Having only a single track so that trains may only run in one direction at a time."@en . _:vb7538836 "It was once the busiest singletrack section of railway line in the country but, almost three decades after its closure, the short route which once linked Tunbridge Wells\u2019s two stations is a ghostly presence"@en . _:vb7538835 "[\u2026] a single-track main line between Richmond, Ind., and Norwood Heights, Ohio"@en . . _:vb7538837 "2016 February 18, Peter Le Feuvre, \u201CLetter to the editor\u201D, in The Daily Telegraph, page 17:"@en .