Question: The Southern Railway runs from Vienna to Graz and the border with Slovenia at Spielfeld via the first mountain railway built in Europe to use what kind of track?

<P0-S0> The Rudyard Lake Steam Railway is a ridable miniature railway and the third railway of any gauge to run along the side of Rudyard Lake in Staffordshire. <P0-S1>  The railway runs for 1+1/2 mi on the track bed of an old standard gauge North Staffordshire Railway line. <P0-S2>  After the NSR line closed down, a small narrow gauge train ran on the site for two years before moving via Suffolk to Trago Mills in Devon. <P0-S3>  The current line started in 1985 and is gauge, and operates to a timetable. <P0-S4>  It was built by Peter Hanton of Congleton working on his own over a period of 10 years. <P0-S5>  He sold the railway to the Rudyard Lake Steam Railway Ltd in October 2000 who have developed it since that date. <SEP> <P1-S0>  It was originally built by the Austrian Southern Railway company and ran to Ljubljana and Trieste, the main seaport of the Austro-Hungarian Monarchy. <P1-S1> The Southern Railway (German: "Südbahn" ) is a railway in Austria that runs from Vienna to Graz and the border with Slovenia at Spielfeld via Semmering and Bruck an der Mur. <P1-S2>  The twin-track, electrified section that runs through the current territory of Austria is owned and operated by Austrian Federal Railways (ÖBB) and is one of the major lines in the country. <SEP> <P2-S0>  It is commonly referred to as the world's first true mountain railway, given the very difficult terrain and the considerable altitude difference that was mastered during its construction. <P2-S1> The Semmering railway (German: "Semmeringbahn" ) in Austria, which starts at Gloggnitz and leads over the Semmering to Mürzzuschlag was the first mountain railway in Europe built with a standard gauge track. <P2-S2>  It is still fully functional as a part of the Southern Railway which is operated by the Austrian Federal Railways. <SEP> <P3-S0> D. William Brosnan was a president of Southern Railway in the USA, a railroad that later merged with Norfolk and Western Railroad to form Norfolk Southern Railway. <P3-S1>  Born in 1903 in Albany, Georgia, he was the son of the town's fire chief. <P3-S2>  In 1923, he took a job as an engineer with the Georgia Department of Highways, before taking a job at as an apprentice student engineer for the Southern Railway, three years later, maintaining the right-of-way. <P3-S3>  Between 1931 and 1952, he had several promotions, from apprentice student engineer to junior engineer, to division superintendent, to general manager of the Central Lines of the Southern Railway, to vice president of operations. <P3-S4>  During his time as chief engineer for the Western Lines of the Southern Railway, in 1945 and 1946, he oversaw an increased mechanization of track maintenance and construction on the Southern Railway, and during his time as general manager for the Central Lines, he oversaw the automation of freight car classification in yards and terminals. <P3-S5>  He succeeded Harry A. deButts in 1962. <P3-S6>  In 1964 Brosnan was selected as the first recipient of the Man of the Year award by "Modern Railways" magazine, an award now presented by "Railway Age" magazine as the Railroader of the Year.