7 1/4”
7 1/2”

Live steamers in U.S. Becoming very popular

15”

This is generally used at amusement parks

24"

Used in mining railroads and logging railroads - Maine, Wales,
S. Africa, Asia, and South America

30"

Used in mining railroads

36"

This is a common narrow gauge in the U.S.

1 Meter

Former French, German & British colonies

42"

Newfoundland, South Africa, Indonesia, New Zealand, and Nigeria

48 1/4"

-

56 1/4"

Washington D.C. Metro rapid transit

56 1/2"

Standard gauge in U.S. and many other countries. Established by Pacific RR Act of 1863

58"

-

60"

Russia & satellite nations and Panama Canal RR

62 1/4"

-

62 1/2"

-

63"

Australia, Brazil & Ireland

64 1/2"

-

66"

Used by BART (Bay Area Rapid Transit) in San Francisco, CA

72"

Erie RR - converted to standard in 1882