Despite the advent of electric and diesel locomotives in the mid-20th century, steam locomotives continued to be used and constructed into the 21st century. The regular use of steam locomotives in non-tourist revenue service concluded in 2024.

Lyn was a 2-4-2 tank steam locomotive built by the Baldwin Locomotive Works in 1898 for the Lynton and Barnstaple Railway in England. While the original Lyn was scrapped in 1935, a complete recreation of the locomotive exists, having been completed in 2017, and bears the same name as its precursor.