Transportation in Guam

Guam has no railways, nor does it have a merchant marine[?]. The only port is Apra Harbor[?]. Due to the construction of roads largely from coral (which is exceedingly slippery when wet), the top speed limit island-wide is 35mph.

Highways:
total: 885 km
paved: 675 km
unpaved: 210 km
note: there is another 685 km of roads classified non-public, including roads located on federal government installations

Airports: 5 (1999 est.)

Airports - with paved runways:
total: 4
over 3,047 m: 2
2,438 to 3,047 m: 1
914 to 1,523 m: 1 (1999 est.)

Airports - with unpaved runways:
total: 1
under 914 m: 1 (1999 est.)