The road system in 2002 totaled 836 km (519 mi), of which 267 km (166 mi) were paved; most are on the northern coast of Upolu. Buses and taxis provide public transport. In 2000, there were 3,900 passenger cars and 3,300 commercial vehicles.
Diesel-powered launches carry passengers and freight around the islands, and small motor vessels maintain services between Apia and Pago Pago in American Samoa. Fortnightly cargo and passenger connections are maintained with New Zealand, and scheduled transpacific services connect Samoa with Australian, Japanese, United Kingdom, and North American ports. Apia is the principal port; Asau, on Savai'i, was opened as a second deep-sea port in 1972.
As of 2001, there were 3 airports, each of which had a paved runway. Faleolo Airport, 35 km (22 mi) west of Apia, is the principal air terminal. Polynesian Airlines provides daily air connections with Pago Pago and regularly scheduled flights to other Pacific destinations; through Pago Pago there are connecting flights to New Zealand, Australia, and the United States. Air Samoa and Samoa Aviation provide internal air services between Upolu and Savai'i, and Hawaiian Airlines provides direct service between Honolulu and Faleolo and commuter service between Faleolo and Pago Pago. In 2001, 173,500 passengers were carried on scheduled domestic and international flights.