islets Land boundaries: total 1,899.2 km, Austria 366 km, Croatia (south) 91 km, Hungary 443 km, Serbia and Montenegro 151 km 1.435-meter standard-gauge electrified (1987) Highways: 1,111,974 km total; Great Britain's British Railways (BR) operates 16,584 km 1.435-meter standard gauge, government owned; 485 km double track Highways: 5,050 km total; 10,800 km bituminous/bituminous treated, 8,500 km crushed stone, earth) Inland waterways: 1,609
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