standard gauge

Noun

standard gauge (uncountable)

1. A track gauge of 56.5 inches (1435 mm).
   • The Carnarvonshire Railway was incorporated by an Act of July 29, 1862, with powers to construct a standard-gauge line from the Bangor & Carnarvon at Caernarvon [1958 spelling] to Portmadoc, a distance of 27¾ miles, but only the centre portion, from Penygroes to Afonwen, 11¾ miles, was built.1958 September, J. M. Dunn, “The Afonwen Line—1”, in Railway Magazine, page 594
   • The city began as a local trading centre for north Chinese settlers at the end of the 18th century. It expanded rapidly and from 1905 to 1935 was a major junction and transshipment point between the Russian-owned broad-gauge Chinese Eastern railway and the Japanese-owned standard-gauge South...1964, Norton S. Ginsburg, “CH’ANG-CH’UN”, in Encyclopedia Britannica, volume 5, →OCLC, page 267, column 2