<hdr>The World Factbook 1994: Denmark<nl>Communications</hdr><body>
<list>
<item><hi format=bold>Railroads:</hi> 2,770 km; Danish State Railways (DSB) operate 2,120 km (1,999 km rail line and 121 km rail ferry services); 188 km electrified, 730 km double tracked; 650 km of standard-gauge lines are privately owned and operated
<item><hi format=bold>Highways:</hi>
<list style=hang>
<item>• <hi format=ital>total:</hi> 66,482 km
<item>• <hi format=ital>paved:</hi> concrete, asphalt, stone block 64,551 km
<item>• <hi format=ital>unpaved:</hi> gravel, crushed stone, improved earth 1,931 km
</list>
<item><hi format=bold>Inland waterways:</hi> 417 km
<item><hi format=bold>Pipelines:</hi> crude oil 110 km; petroleum products 578 km; natural gas 700 km
<item><hi format=bold>Ports:</hi> Alborg, Arhus, Copenhagen, Esbjerg, Fredericia; numerous secondary and minor ports
<item>• <hi format=ital>note:</hi> Denmark has created its own internal register, called the Danish International Ship register (DIS); DIS ships do not have to meet Danish manning regulations, and they amount to a flag of convenience within the Danish register; by the end of 1990, 308 of the Danish-flag ships belonged to the DIS