Broadgauge railway Wikipedia
Broadgauge railway. A broadgauge railway is a railway with a track gauge (the distance between the rails) broader than the 1,435 mm ( 4 ft 81⁄2 in) used by standardgauge railways . Broad gauge of 1,524 mm ( 5 ft ), commonly known as Russian gauge, is the dominant track gauge in former Soviet Union ( CIS states, Baltic states, Georgia and ...