Track gauge

900 mm track gauge 600 mm track gauge narrow-gauge railway 5-inch gauge 1067 mm track gauge 1520 mm track gauge 762 mm track gauge 1676 mm track gauge 1495 mm track gauge 1435 mm track gauge 1000 mm track gauge 1668 mm track gauge 750 mm track gauge 7 1/4 gauge railway Scotch gauge 760 mm track gauge 914 mm gauge 1432 mm track gauge broad-gauge railway