Talyllyn Railway 0-4-2T 7 Tom Rolt passes Ty Mawr on 13 May 2022 with the 10:00 Tywyn Wharf to Nant Gwernol service. This loco was rebuilt from a former Irish 3ft gauge Bord na Móna locomotive. It is named after one of the Talyllyn Railway's founder members, the famous transport historian and writer, L.T.C. Rolt.