Question: The Strumpshaw Hall Steam Museum is home to a collection of an engine sometimes called road locomotives to distinguish from what?
Context: The Steam Museum & Lodge Park Walled Garden is a steam museum located in County Kildare, Ireland.  It contains a collection of prototype model locomotives and live steam engines.  is located on the site of Lodge Park, a former "big house", and has an 18th century walled garden. Hesston Steam Museum is an outdoor museum operated by the Laporte County Historical Steam Society in Hesston, Indiana.  The museum occupies 155 acres and is the home of four different gauge railroads along with numerous other pieces of steam powered and vintage farm equipment. The Strumpshaw Hall Steam Museum in Strumpshaw, Norfolk is home to a collection of Traction engines, Steam rollers, a Showman's engine and a Steam wagon which are run on special occasions and on the last Sunday of each month from April to October. The Strasburg Rail Road (reporting mark SRC) is the oldest continuously operating railroad in the western hemisphere and the oldest public utility in the Commonwealth of Pennsylvania.  Chartered in 1832, the Strasburg Rail Road continues to operate under its original charter and original name (Strasburg Rail Road Company).  Located just outside of the town of Strasburg, Pennsylvania, the railroad is a heritage railroad offering excursion trains, hauled by steam locomotives, through the heart of world-famous Pennsylvania Dutch Country.  Strasburg currently has five (5) serviceable historic steam locomotives (Canadian National 7312, Canadian National 89, Great Western 90, N&W 475, Brooklyn Eastern District Terminal 15 (rebuilt as Thomas the Tank Engine) on its roster and has the nation's largest fleet of historic wooden passenger coaches in operation.  The Strasburg Rail Road is also one of the few railroads in the United States to occasionally use steam locomotives to haul revenue freight trains.  It hosts 300,000 visitors per year. Bolton Steam Museum is a museum in Bolton, Greater Manchester, England, which houses a variety of preserved steam engines. Based in the cotton store of the former Atlas Mill in Mornington Road, it is owned and run by the Northern Mill Engine Society (NMES). A traction engine is a self-propelled steam engine used to move heavy loads on roads, plough ground or to provide power at a chosen location.  The name derives from the Latin "tractus", meaning 'drawn', since the prime function of any traction engine is to draw a load behind it.  They are sometimes called road locomotives to distinguish them from railway locomotives – that is, steam engines that run on rails. Scott & Hodgson Ltd, was a manufacturer of stationary steam engines in Guide Bridge, Greater Manchester.  For instance, in 1914, they supplied an inverted vertical compound engine with Corliss valve gear to Hardman and Ingham's Diamond Rope Works, Royton, Lancashire.  This engine is now in the Bolton Steam Museum. The ALCO 244 was a diesel prime mover built by the American Locomotive Company (ALCO).  An evolution of the earlier 241 diesel engine, it powered ALCO's first generation of production road locomotives.  The 244 engine was developed to create an engine capable of being used in railroad freight and passenger locomotives.  The 244 engine was also used in a very limited basis as a marine power plant in ships and as a stationary power generator. Bressingham Steam & Gardens is a steam museum and gardens located at Bressingham (adjacent to a Wyevale garden centre), west of Diss in Norfolk, England.  The site has several narrow gauge rail lines and a number of types of steam engines and vehicles in its collection and is also the home of the national "Dad's Army" exhibition. Tom Varley was a collector of steam-powered road vehicles, known for the Tom Varley Collection, a steam museum mostly of steam wagons, ""a lasting legacy of which [British steam road enthusiasts] can be proud"".
Answer: railway locomotives