32,318 km gravel and crushed stone, gravel, or stabilized soil, and 1,113 km improved earth, 26,900 km unimproved earth (1982) Ports: San Juan, Ponce, Mayaguez, Arecibo Airports: total: 1 useable: 1 with permanent-surface runways: 2 with runways 2,440-3,659 m: 3 with runways 1,220-2,439 m: 6 with runways 1,220-2,439 m: 10 with runways 1,220-2,439 m: 23 Telecommunications: domestic
volume