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Every year, traffic congestion and traffic accidents have been rapidly increasing in proportion to increasing number of vehicles. Although the roadway design and signal system have been improved to relieve traffic congestion, traffic casualties and property damage do not decrease. The traffic accident is a serious issue of society because vehicle is a primary means of transportation. This paper develops...
This paper discusses the limitation of existing methods of reducing the traffic congestion, where width wise expansion of roadways has got limitations, which leads a solution of vertical expansion only. In considering this aspect, an approach for Multi Layer Superway is suggested in a very comprehensive manner to overcome the problem in the present situation. Multi Layer Superway is the concept in...
In this paper, we propose a heuristic method trying to improve the efficiency of traffic systems in the global perspective, where the optimal traveling time for each origin-destination (OD) pair is calculated by extended Q value-based dynamic programming and the global optimum routes are produced by adjusting the temperature parameter in Boltzmann distribution. The key point is that the temperature...
One of the major issues of our daily life is traffic congestion. To help solve the traffic congestion problem, a traffic advisory system is proposed to identify the threshold capacity of a road segment. Threshold capacity measures the number of vehicles which can be allowed to pass over a certain road segment without causing congestion. Threshold capacity is used for suggesting improvements of road...
The strategy of exempting bus from other traffic through exclusive bus lanes (XBL) is prevalent. Rather than just deploying the XBL system, in this study, a new innovative dynamic bus lane (DBL) operation system which is expected to be more productive is initially introduced. Unlike conventional studies which are mainly focused on operational performance of buses, this study attempts to examine the...
There is no one standard to evaluate traffic congestion degree of city road-network in the world, in this paper, degree of city road-network traffic congestion is divided into three classes: jam ,congestion, crowd, fluency. The indexes to evaluate the degree of city road network traffic congestion are selected, and the hierarchy evaluation index system are built with analytic hierarchy process and...
Traffic congestion has been plaguing motorists for years, and it progressively continues to get worse as the population continues to increase, resulting in an increase in the number of vehicles on the road. There are many factors that contribute to traffic congestion, however; there is one that plays a major role in giving rise to a phenomenon called ldquotraffic wavesrdquo, and that is driver behavior...
Heavy traffic congestion occurs daily at an intersection of highway traffic. For releasing this congestion, the effect of ldquozipperrdquo merging of vehicles is discussed in this paper. This is the merging of vehicles on two lanes alternatively, and is achieved only by the local communication of vehicles between two lanes before merging. This ldquozipperrdquo merging is compared with the ldquonon-zipperrdquo...
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