Traffic

In many parts of the world traffic is generally organized, flowing in lanes of travel for a particular direction, with interchanges, traffic signals, or signage at intersections to facilitate the orderly and timely flow of traffic. Traffic can be separated into vehicular, non-vehicular (bicycling), and pedestrian classes of traffic. Vehicles of the same class share their speed limits and share easement with one another. Cooperative signaling arrangements can also be made with representatives of other classes of traffic.

Speed

One of the main factors that affect the damage caused by a collision is speed. Therefore, most civilized parts of the world impose speed limits on their roads. Drivers are not supposed to drive at speeds which are higher than the posted limit.

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To enforce the speed limit, two approaches are generally employed. In the

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USA it is common for the police to patrol the streets and use special equipment to measure the speed of vehicles, and "pull over" any vehicle found to be in violation of the speed limit. In Brazil and some European countries, there are computerized speed-measuring devices spread throughout the city, which will automatically detect speeding drivers and take a photograph of the license plate, which is later used for applying and mailing the ticket.

Related Topics:
USA - Brazil

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