Mr. Honghai Li Profile

Honghai Li

at RIOH Ministry of Transport

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Proceedings Article | 23 December 2021 Paper

Research on freeway on-ramp traffic control model based on ETC gantry data

Zheng Chang, Honghai Li, Nan Kang

Proceedings Volume 12058, 120585N (2021) https://doi.org/10.1117/12.2619678

KEYWORDS: Roads, Data analysis, Data acquisition, Data processing, Analytical research, Electron transport, Traffic management sensors

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With the wide application of ETC system in China, how to effectively manage and apply its massive data information has gradually become a key research direction in the field of transportation. Firstly, the layout mode and function of ETC gantry system is introduced. ETC gantry system can collect a large amount of basic data, transaction data and traffic data, including ETC transaction flow, ETC passage record, image flow record, CPC cartoon line record, ETC. Then, the actual data of expressway sections collected by ETC gantry system are used to replace the simulation parameters of the traffic flow model in the traditional method for calculation, and three key performance indexes such as travel time, service flow and waiting time are considered. Combined with the capacity constraints, the freeway on-ramp traffic control model based on ETC gantry data is established. And then to determine the highway road traffic condition, and according to the actual operation conditions of the sections, formulate corresponding traffic control strategy, help the highway operator according to the actual situation of the highway road traffic flow changes, realize timely controlling driving state and traffic flow control, in order to better serve the highway road users and administrators.

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