...that the LGV Est line connecting Paris to eastern France was used as the test track to set a new world speed record at 574.8 km/h (159.6 m/s, 357.2 mph) in 2007?
...that with the exception of the curve at Mauch Chunk, the original line of the Lehigh Valley Railroad from Mauch Chunk to Easton had no curve of less than 700-foot (210 m) radius?
...that the 284-metre long (932 ft) Langwieser Viaduct, which opened in 1914, was the world's first railway bridge to be constructed of reinforced concrete?
...that a HEMU-430X train, the next model train for Korea Train eXpress, achieved 421.4 km/h in 2013, making South Korea the fourth country in the world to develop a high-speed train running on conventional rail above 420 km/h?
...that when the Koralm Railway construction in Austria is completed, the railway is expected to reduce travel time from Klagenfurt to Graz from three hours to 45 minutes?
...that when British Railways discontinued passenger services on the former Kent and East Sussex Railway in 1954, four different locomotives were used on the last passenger train?