Arlesdale Railway (T&F)

The Arlesdale Railway (also called the "Small Railway") is a 15"-gauge railway running from Arlesburgh along the old route of the Mid Sodor Railway for some 10 miles to Arlesdale.

Appearances
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Thomas & Friends

 * Series 20 - Ryan and Daisy, The Way She Does It, Tit for Tat, Mike's Whistle and Useful Railway
 * Series 21 - Springtime for Diesel, A Most Singular Engine and Daisy's Perfect Christmas
 * Series 24 - The Great Little Railway Show and Thomas and the Inventor's Workshop

Specials
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 * 2015 - Sodor's Legend of the Lost Treasure
 * 2016 - The Great Race
 * 2017 - Journey Beyond Sodor

Trivia

 * On maps of Sodor created for production of the television series between the first and fourth series, the railway - along with the Little Western - is replaced by Toby's Branch Line. This was later changed on the 2014 map of Sodor by Sam Wilkinson, which shifted Toby's line south to make room for the Arlesdale Railway being introduced into the television series the following year.