Feniton station in Devon is served by a single track but until 1967 it was 'Sidmouth Junction' and had a second track which served this platform (used for trains to London) plus a bay platform at the far end of the station for branch line trains to Sidmouth and Exmouth.
<a href="//commons.wikimedia.org/wiki/User:Geof_Sheppard" title="User:Geof Sheppard">Geof Sheppard</a>
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<span class="int-own-work" lang="en">Own work</span>