Water
Water transportation service is limited in scope for several reasons. Domestic water service is confined to the inland waterway system, which requires shippers to be located on the waterways or to use another transportation mode in combination with the water. In addition, water service on the average is slower than rail. Availability or dependability of water service are greatly influenced by the weather. Movement on the waterways during the winter is impossible and floods and droughts may also interrupt service at other times as well. There is tremendous capacity available in water carriers with barge tows up to 40,000 tons and there are individual barges with standardized dimensions of 26 by 175 feet and 35 by 195 feet. Capability and handling are being increased as barged carrying ships are being developed and such improvements as satellite navigation with radar, refined depth finders and auto piloting mean around the clock service. Water services are provided in all leg...