Complex sentence: Maximum design speed is 65 km/h (40 mph), at the start of operation in Bratislava and Košice, speeds as high as 115 km/h (71 mph) were achieved during special tests.
Split into simpler sentences: Maximum design speed is 65 km/h (40 mph). At the start of operation in Bratislava and Košice, speeds as high as 115 km/h (71 mph) were achieved during special tests.