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- W2972999235 abstract "Traffic congestion is now nearly ubiquitous in many urban areas. The improvement of road infrastructure is an effective way to ease traffic congestion, especially the key road links. So, it is a fundamental and important step to identify the key link for improving transportation efficiency. However, most approaches in the current literature use simulated data and need many assumption conditions. The result shows the low comprehensibility and the bad exactitude. This paper provides a new identification method of key links for urban road traffic network (URTN) based on temporal-spatial distribution of traffic congestion. The method involves identifying congestion state, computing time distribution of congestion state and determining key road link. By the cluster analysis of the history field data of URTN, the threshold to determine the traffic congestion of each link can be obtained. Then the time-interval of the traffic congestion can be computed by median filtering. At last, the time-interval coverage is defined and used to determine the target road link whether it is a key road link or not. The method is validated by a real-world case (Beijing road traffic network, BRTN). The result shows the feasibility and accuracy." @default.
- W2972999235 created "2019-09-19" @default.
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- W2972999235 date "2019-09-10" @default.
- W2972999235 modified "2023-10-12" @default.
- W2972999235 title "Key links identification for urban road traffic network based on temporal-spatial distribution of traffic congestion" @default.
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- W2972999235 doi "https://doi.org/10.1142/s021798491950307x" @default.
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