Railways total: 1,018 km common carrier lines only; does not include dedicated industrial lines broad gauge: 1,018 km 1.520-m gauge (132 km electrified) (1995) Highways total: 49,480 km paved: 10,935 km (including 75 km of expressways) unpaved: 38,545 km (1998 est.) Waterways: 320 km perennially navigable Pipelines: natural gas 420 km (1992) Ports and harbors: Haapsalu, Kunda, Muuga, Paldiski, Pärnu, Tallinn Merchant marine total: 50 ships (1,000 GRT or over) totaling 306,264 GRT/293,083 DWT ships by type: (1999 est.) bulk 3 cargo 20 combination bulk 1 container 5 petroleum tanker 2 roll-on/roll-off 13 short-sea passenger 6 Airports Airports - with paved runways: total: 5 (1997 est.) over 3,047 m: 1 2,438 to 3,047 m: 1 914 to 1,523 m: 3 (1997 est.) See also: Estonia, Estonia disaster