초록

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Abstract ▼ AI-Helper

This study has determined optimal type, and location of loop detector to measure accurately traffic condition influenced by traffic variation with real time. Optimal type of loop detector for through vehicle at stop bar was determined by confidences of occupancy period, and non...

This study has determined optimal type, and location of loop detector to measure accurately traffic condition influenced by traffic variation with real time. Optimal type of loop detector for through vehicle at stop bar was determined by confidences of occupancy period, and nonoccupancy period, and so appropriate detector type for application to real time traffic control system has been decided on special loop detector. shows types and winding methods of existing detector (num1) and special detector (num 7,8) determined. It is desired that optimal location of through loop detector should be installed within 50cm of stop bar owing to vehicle behavior. And optimal location of loop detector for left turn vehicle is determined by left turn vehicle behavior on stop bar. In the case of install only one loop, it is desirable that within 20cm of stop bar. Both the special loop (1.8 × 4.0m : num 1.7) and existing loop (1.8 × 1.8m : num1) would be suitable. A location standard aspects, while regarding as economic, existing loop (1.8 × 1.8m : num1) would be suitable. A location of the queue detector and the spillback prevention detector considering the link length, the pedestran crossing is be or not and the estimation range of queue. And if the link length is shorter than 250m, locations of queue detector and spillback protect detector must be considered in the respect of queue management.