Experiences with a Simplified Microsimulation for the Dallas/fort-worth Area
نویسندگان
چکیده
In recent time, tra c demand in metropolitan areas has largely exceeded capacity. Typical remedies such as the expansion of the road way system or road improvement do not work well anymore for various reasons: on the one hand communities cannot a ord the increased costs of road construction, on the other hand there are political and environmental objections. Therefore, computer simulation as a means of evaluating, planning, and controlling large tra c systems has gained considerable importance. The classical approach of tra c research consists of four steps: tra c generation, route planning, static assignment of routes onto the network, and evaluation. Lately, more and more work has been invested to consider the dynamic aspects of these components. Especially the microsimulation part has taken great advantage of models developed in classical research areas such as physics, mathematics, and computer science. The failure of classical simulations to describe (and possibly predict) tra c was in part due to insu cient computational speed. One had the choice of simulating a rather large area (e.g., the metropolitan area of Los Angeles) at a low resolution (vehicle densities instead of individual vehicles) or simulating a small excerpt (e.g., a suburb) at a high resolution. Only in recent years, it has become possible to use
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Experiences with a Simpliied Microsimulation for the Dallas/fort worth Area
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