Part one of term paper
As the population of the United States dramatically increases and the number of vehicles on the nation's roads and highways skyrockets, new methods of traffic control and organization have become necessary, by utilizing new methods of transportation or by revising the current system. In the past 15 years, the number of vehicles on American r ...

Part two of term paper
... are an enormous cost to society, costing between $300 billion and $700 billion per year. These expenses are caused mainly by traffic accidents, traffic jams, and the environmental hazards created by the large number of vehicles on the road. Traffic accidents account for one of the major reasons that the current techniques of traffic control need revision. Traffic jams, along with broken cars and the lack of alternate routes, account for one half of the traffic congestion in the United States (Clar ...