Turks and Caicos Islands
total: 121 km
paved: 24 km
unpaved: 97 km (2000)
Tuvalu
total: 8 km
paved: 0 km
unpaved: 8 km (1999 est.)
Uganda
total: 27,000 km
paved: 1,809 km
unpaved: 25,191 km (1999 est.)
Ukraine
total: 169,679 km
paved: 164,249 km
unpaved: 5,430 km (2002)
United Arab Emirates
total: 1,088 km
paved: 1,088 km (including 253 km of expressways)
unpaved: 0 km (1999 est.)
United Kingdom
total: 392,931 km
paved: 392,931 km (including 3,431 km of expressways)
unpaved: 0 km (2003)
United States
total: 6,393,603 km
paved: 4,180,053 km (including 74,406 km of expressways)
unpaved: 2,213,550 km (2003)
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.)