Uganda
total: 27,000 km
paved: 1,809 km
unpaved: 25,191 km (1999 est.)
Ukraine
total: 169,491 km
paved: 163,898 km
unpaved: 5,593 km (2000)
United Arab Emirates
total: 1,088 km
paved: 1,088 km (including 253 km of expressways)
unpaved: 0 km (1999 est.)
United Kingdom
total: 371,913 km
paved: 371,913 km (including 3,358 km of expressways)
unpaved: 0 km (1999)
United States
total: 6,406,296 km
paved: 4,148,395 km (including 74,898 km of expressways)
unpaved: 2,257,902 km (2002)
Uruguay
total: 8,983 km
paved: 8,081 km
unpaved: 902 km (1999 est.)
Uzbekistan
total: 81,600 km
paved: 71,237 km
unpaved: 10,363 km (1999 est.)
Vanuatu
total: 1,070 km
paved: 256 km
unpaved: 814 km (1999 est.)
Venezuela
total: 96,155 km
paved: 32,308 km
unpaved: 63,847 km (1999 est.)
Vietnam
total: 93,300 km
paved: 23,418 km
unpaved: 69,882 km (1999 est.)