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Real time traffic crash risk prediction is very important for proactive safety management systems. In this paper, a new model is developed to predict real time traffic crash risk based on some elaborately selected characteristics of traffic flow. Compared with the dominant conventional matched case-control logistic regression model which is based on the assumption that all the traffic crashes share...
This paper deals with problem of analysis of traffic data. A traffic network has several types of roads: historical centre, peripherals, arterial roads, etc. They have specific properties. For a traffic analysis, large amounts of data are needed. Some traffic data are difficult to obtain due to their rare occurrence. Typical example is the investigation of traffic accidents. In these cases, data from...
Disaster managers depend on timely and accurate information for task-related decision-making in highly complex and dynamic environments. New data sources, like online social media provide an increasing volume of data that promises improvements in situation awareness. But it remains difficult to focus data collection on information needs and integrate relevant information back into decision-making...
Driver safety awareness level has important influence on traffic safety, in order to extract and analyze the factors and events which have a significant effect on driver safety awareness while driving. This research uses virtual reality technology to design and implement several kinds of typical virtual traffic scenarios for safety consciousness level evaluation, and sets the assessment scenarios...
As per the Super Map GIS network data presentation, the paper proposes the organizational technology of urban distribution network data: based on the traditional dictionary method, a segmental arc array and a node index are used to express the path network data while a node array and an arc segment matrix are used to express the data of distribution nodes. In the end, the integration idea of distribution...
We structured compound dynamics simulation model demanding highway conveyance force, made computer trends simulation. Based on the result, we tentatively calculated logistic storage and that demanding highway conveyance force.
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