Uganda
total: 70,746 km
paved: 16,272 km
unpaved: 54,474 km (2003)
Ukraine
total: 169,477 km
paved: 164,732 km (including 15 km of expressways)
unpaved: 4,745 km (2004)
United Arab Emirates
total: 1,088 km
paved: 1,088 km (including 253 km of expressways) (1999)
United Kingdom
total: 388,008 km
paved: 388,008 km (including 3,520 km of expressways) (2005)
United States
total: 6,430,366 km
paved: 4,165,110 km (including 75,009 km of expressways)
unpaved: 2,265,256 km (2005)
Uruguay
total: 77,732 km
paved: 7,743 km
unpaved: 69,989 km (2004)
Uzbekistan
total: 81,600 km
paved: 71,237 km
unpaved: 10,363 km (1999)
Vanuatu
total: 1,070 km
paved: 256 km
unpaved: 814 km (1999)
Venezuela
total: 96,155 km
paved: 32,308 km
unpaved: 63,847 km (1999)
Vietnam
total: 222,179 km
paved: 42,167 km
unpaved: 180,012 km (2004)