Abstract
One of the prime objectives of the study is to evaluate the differences between the night-time and the day-time merging traffic stream characteristics by analyzing the merging traffic survey data covering night-time and day-time as well as congested and non-congested traffic conditions. A previously developed merging traffic computation model considering multi-merging phenomena was applied to evaluate the traffic in terms of merging probability. 1 Background and objectives of study Traffic congestion on urban expressways in Japan increases annually because of heavy traffic demand. Urban expressways have very complicated networks with many radial and ring roads and consequently there are many weaving, merging and diverging sections which cause various forms of bottlenecks. In particular, merging points add traffic to the main traffic volume which increases downstream traffic volume Transactions on the Built Environment vol 33, © 1998 WIT Press, www.witpress.com, ISSN 1743-3509
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