km electrified, 3,060 km double track; 182 km 0.891-meter gauge; 117 km rail ferry service; privately-owned railways - 511 km 1.435-meter standard gauge (332 km electrified) Highways: 85,237 km total; 920 km Ports: Port-of-Spain, Pointe-a-Pierre, Scarborough Merchant marine: 168 ships (1,000 GRT or over) totaling 445,330 GRT/756,018 DWT; includes 12 cargo, 1 refrigerated cargo Airports: total: 1 usable: 1 with permanent-surface runways: 4 with runways 2,440-3,659 m: 11 Telecommunications: better developed than in most countries are
deducting