How Quickly Does The Tube Go?
21 mph London Underground System length 402 km (250 mi) Track gauge 1,435 mm (4 ft 81⁄2 in) standard gauge (1863–pres.) 7 ft (2,134 mm) Brunel gauge (1863–1869) Electrification 630–750 V DC fourth rail Average speed 33 km/h (21 mph) How fast does the underground tube go? 20.5 miles per hourThe average speed on the …