Sri Lanka
total: 1,449 km
broad gauge: 1,449 km 1.676-m gauge (2007)

Sudan
total: 5,978 km
narrow gauge: 4,578 km 1.067-m gauge; 1,400 km 0.600-m gauge for
cotton plantations (2008)

Swaziland
total: 301 km
narrow gauge: 301 km 1.067-m gauge (2008)

Sweden
total: 11,633 km
standard gauge: 11,528 km 1.435-m gauge (7,531 km electrified)
narrow gauge: 65 km 1.000-m gauge (65 km electrified) (2008)

Switzerland
total: 4,888 km
standard gauge: 3,397 km 1.435-m gauge (3,142 km electrified)
narrow gauge: 1,481 km 1.000-m gauge (1,378 km electrified); 10 km
0.800-m gauge (10 km electrified) (2008)

Syria
total: 2,052 km
standard gauge: 1,801 km 1.435-m gauge
narrow gauge: 251 km 1.050-m gauge (2008)

Taiwan
total: 1,588 km
standard gauge: 345 km 1.435-m gauge
narrow gauge: 1,093 km 1.067-m gauge; 150 km .762-m gauge
note: the 150 km of .762 gauge track belongs primarily to Taiwan
Sugar Corporation and Taiwan Forestry Bureau; some to other entities
(2007)

Tajikistan
total: 680 km
broad gauge: 680 km 1.520-m gauge (2008)

Tanzania
total: 3,689 km
narrow gauge: 969 km 1.067-m gauge; 2,720 km 1.000-m gauge (2008)

Thailand
total: 4,071 km
standard gauge: 29 km 1.435-m gauge
narrow gauge: 4,042 km 1.000-m gauge (2008)