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| | Kids.net.au - Encyclopedia Transport - |
 | | The operations deal with the control of the system, such as traffic signals and ramp meters, railroad switches, air traffic control, etc, as well as policies, such as how to finance the system (e.g use of tolls or gas taxes[?] in the case of highway transport.). |
 | | Broadly speaking, the design of networks are the domain of civil engineering and urban planning, the design of vehicles of mechanical engineering and specialized subfields such as nautical engineering[?] and aerospace engineering, and the operations are usually specialized, though might appropriately belong to operations research or systems engineering. |
 | | Modes are combinations of networks, vehicles, and operations, and include walking, the automobile/ highway system, railroads, maritime transport (ships, waterways, and harbors), and modern air transport (airplanes, airports, and air traffic control). |
| www.kids.net.au /encyclopedia-wiki/tr/Transport (779 words) |
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