Common track gauges and where in the world to find them

This list is certainly not complete but it clearly shows that civil engineers were (and still areSmile...) good for a surprise.

mm ft in found in /at...
381 1' 3" Fun fair and exhibition railroads; some public railroads in Great Britain
457 1' 6" Fun fair and exhibition railroads in the USA; some public railroads in Great Britain
500 1' 7 11/16" Mine and quarry lines; also used in brick works
508 1' 8" Romney Hythe, and Dimchurch Light Railway in Kent, GB
533 1' 9" Exhibition and tourist lines
600(597) 1' 11 5/8" Narrow gauge roads in Germany,Algeria, Brasil, Bulgaria, Chile, Poland, Romania, industrial and military roads
610 2' Former narrow gauge lines in Maine (USA), Australia, India, West- and South Africa, Venezuela
700 2' 3 8/16" Agricultural and plantation lines in Java and Cuba
750 2' 5 1/2" Germany, Egypt, Argentina, Ecuador, Finland, Indonesia, Norway, Paraguay, Peru, Poland, Romania, Turkey, Russia
760(762) 2' 6" Egypt, Australia, Brasil, Chile, Cuba, Senegal, India, Japan, Korea, Pakistan, Nigeria, Austria, Romania, Sri lanka, Taiwan, Czech Republic, Hungary
785 2' 6 7/8" Upper Silesia, plant- and harbor lines in Denmark
891 2' 11 7/16" Sweden
900 3' Canada, Columbia, Cuba, Guatemala, Hawaii, Honduras, Ireland, Isle of Man, Mexico, Panama, Peru, Phillippines, East Africa, USA, Venezuela
914 3' East Africa, Italy, Libya, Sicily,USA
1000 3' 1 3/8" (Meter gauge); Germany, Egypt, Algeria, Argentina, Australia, Belgium, Bolivia, Brasil, Burma, Chile, China, Columbia, France, Greece, India, Iraq, Luxemburg, Madagascar, Malaya, Pakistan, Paraguay, Poland, Portugal, Switzerland, Spain, Thailand, Benin, Tunesia, Russia, Uganda, Hungary, Vietnam
1050 3' 5 5/16" Algeria, Hedschas Railroad, Israel, Lebanon, Syria
1067 3' 6" (Cape gauge); South Africa, Angola, Australia, Canada, Chile, Costa Rica, Ecuador, Haiti, Honduras, Ghana, Indonesia, Japan, Central Africa, Newfoundland, New Zealand, Nicaragua, Nigeria, Norway, Phillippines, Rhodesia, Sweden, Sudan, Taiwan, Venezuala
1100 3' 7 5/16" Tramways
1435 4' 8 1/2" Standard gauge, found worldwide
1500 4' 11" France
measured between the railhead centers; equals standard gauge
1524 5' Finland, Iran, Poland, Russia
1600 5' 3" Australia, Brasil, Ireland
1676 5' 6" Argentina, Chile, India, Pakistan, Portugal, Spain, Sri Lanka