Complex sentence: The last locomotive built, D9555, is notable as the final locomotive to be built at Swindon Works, in 1965; today the locomotive is privately-owned and operates on the Dean Forest Railway, Gloucestershire, its original route.
Split into simpler sentences: The last locomotive built, D9555, is notable as the final locomotive to be built at Swindon Works, in 1965. Today the locomotive is privately-owned and operates on the Dean Forest Railway, Gloucestershire, its original route.