This article details Trailer No. 59 of the Manx Electric Railway on the Isle of Man. This is the smallest item of passenger stock on the railway and referred to as the Royal Saloon or sometimes doll's house owing to its diminutive size. It became known as the royal saloon/trailer after a visit to Royal Ramsey (so dubbed from the visit) by Queen Victoria and has since carried royalty on a few occasions. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Mean Of Transportation