Turkey
total: 8,607 km
standard gauge: 8,607 km 1.435-m gauge (2,131 km electrified) (2002)
Turkmenistan
total: 2,440 km
broad gauge: 2,440 km 1.520-m gauge (2002)
Turks and Caicos Islands
0 km
Tuvalu
0 km
Uganda
total: 1,241 km
narrow gauge: 1,241 km 1.000-m gauge (2002)
Ukraine
total: 22,473 km
broad gauge: 22,473 km 1.524-m gauge (9,250 km electrified) (2002)
United Arab Emirates
0 km
United Kingdom
total: 16,893 km
standard gauge: 16,536 km 1.435-m gauge (4,928 km electrified)
broad gauge: 357 km 1.600-m gauge (in Northern Ireland) (2002)
United States
total: 194,731 km mainline routes
standard gauge: 194,731 km 1.435-m gauge
note: represents the aggregate length of roadway of all line-haul
railroads including an estimate for class II and III railroads;
excludes 135,185 km of yard tracks, sidings, and parallel lines
(2000)
Uruguay
total: 2,073 km
standard gauge: 2,073 km 1.435-m gauge
note: 461 km have been taken out of service and 460 km are in
partial use (2002)