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The concept of crash precursor identification is gaining more practicality due to the recent advancements in Advanced Transportation Management and Information Systems. Investigating the shortcomings of the existing models, this paper proposes a new method to model the real time crash likelihood based on loop data through schematic eigenvectors. Firstly, traffic volume, occupancy and density spatiotemporal...
Secondary traffic accidents are generally recorded without being specifically noted as such in the accident database, leading to difficulty in the study of such accidents. Previous research generally classified secondary incidents by predefining fixed spatio-temporal boundaries—a method that can be very subjective. Using 10,762 accident records gathered from 2012 upstream loop detector data on a California...
In order to improve the safety performance of long tunnels in China, the effects of geometric alignments of long tunnel entrance on average speed and speed difference for passenger vehicles and trucks as well as heart rate increment of drivers were analyzed using statistical analysis and regression method in the paper. The research results show that the effects of geometric alignments on average speed...
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