total: 16,878 km

broad gauge: 342 km 1.600-m gauge (190 km double track); note - all
1.600-m gauge track, of which 342 km is in common carrier use, and
is in Northern Ireland

standard gauge: 16,536 km 1.435-m gauge (4,928 km electrified;
12,591 km double or multiple track) (1996)

United States:
total: 225,750 km mainline routes

standard gauge: 225,750 km 1.435-m gauge (1999)

Uruguay:
total: 2,073 km

standard gauge: 2,073 km 1.435-m gauge (2000)

Uzbekistan:
total: 3,380 km in common carrier service; does not
include industrial lines

broad gauge: 3,380 km 1.520-m gauge (300 km electrified) (1993)

Vanuatu:
0 km

Venezuela:
total: 584 km (248 km privately owned)

standard gauge: 584 km 1.435-m gauge

Vietnam:
total: 2,652 km

standard gauge: 166 km 1.435-m gauge

narrow gauge: 2,249 km 1.000-m gauge

dual gauge: 237 km NA-m gauges (three rails) (1998)

Virgin Islands:
0 km

Wallis and Futuna:
0 km

West Bank:
0 km

Western Sahara:
0 km

World:
total: 1,201,337 km includes about 190,000 to 195,000 km of
electrified routes of which 147,760 km are in Europe, 24,509 km in
the Far East, 11,050 km in Africa, 4,223 km in South America, and
4,160 km in North America; note - fastest speed in daily service is
300 km/hr attained by France's Societe Nationale des Chemins-de-Fer
Francais (SNCF) Le Train a Grande Vitesse (TGV) - Atlantique line

broad gauge: 251,153 km

standard gauge: 710,754 km

narrow gauge: 239,430 km

Yemen:
0 km

Yugoslavia:
total: 4,095 km

standard gauge: 4,095 km 1.435-m gauge (1,377 km partially
electrified since 1992)

note: during to the 1999 Kosovo conflict, the Serbian rail system
suffered significant damage due to bridge destruction; many rail
bridges have been rebuilt, but the bridge over the Danube at Novi
Sad was still down in early 2000; however, a by-pass is available;
Montenegrin rail lines remain intact

Zambia:
total: 2,164 km (1995)

narrow gauge: 2,164 km 1.067-m gauge (13 km double track)

note: the total includes 891 km of the Tanzania-Zambia Railway
Authority (TAZARA), which operates 1,860 km of 1.067-m narrow gauge
track between Dar es Salaam and Kapiri Mposhi where it connects to
the Zambia Railways system; TAZARA is not a part of the Zambia
Railways system; Zambia Railways assets are scheduled for
conce