Sri Lanka
total: 97,286 km
paved: 78,802 km
unpaved: 18,484 km (2003)

Sudan
total: 11,900 km
paved: 4,320 km
unpaved: 7,580 km (2000)

Suriname
total: 4,304 km
paved: 1,130 km
unpaved: 3,174 km (2003)

Swaziland
total: 3,594 km
paved: 1,078 km
unpaved: 2,516 km (2002)

Sweden
total: 425,300 km
paved: 139,300 km (includes 1,740 km of expressways)
unpaved: 286,000 km (2008)

Switzerland
total: 71,298 km
paved: 71,298 km (includes 1,758 of expressways) (2006)

Syria
total: 97,401 km
paved: 19,490 km (includes 1,103 km of expressways)
unpaved: 77,911 km (2006)

Taiwan
total: 40,262 km
paved: 38,171 km (includes 976 km of expressways)
unpaved: 2,091 km (2007)

Tajikistan
total: 27,767 km (2000)

Tanzania total: 78,891 km paved: 6,808 km unpaved: 72,083 km (2003)