A road is an identifiable route,way or path between two or more locations. The roads are generally smooth, coated or otherwise prepared to allow easy travel, and historically many roads were easy to identify roads without any formal construction or maintenance. In urban areas roads may pass through a town or village, and how roads are designated to serve a dual function as urban space easement and route.
The most common road vehicle is the car, the vehicle which drove his own motor. Other users of the road are buses, trucks, motorcycles, bicycles and pedestrians. As estimated, there were more than 800 million cars worldwide.
Automobile provide high flexibility and low capacity, but are considered high energy and land, and the main source of noise and air pollution in cities, buses can travel more efficient at the expense of the margin of maneuver. Road transport by truck is often the first step and the last freight transport.
Wednesday, May 26, 2010
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