Transportation System Extent
All public roads: 97,600 miles
Interstate: 656 miles
Road bridges: 12,448
Class I railroad trackage: 2,714 miles
Inland waterways: 1,860 miles
Public use airports: 100 (7 certificated for air carrier operations)
Vehicles and Conveyances
Automobiles registered: 951,000
Light trucks registered: 859,000
Heavy trucks registered: 15,000
Buses registered: 6,700
Motorcycles registered: 25,000
Numbered boats: 178,000
