Coordinated control strategy between entrance ramp of city expressway and upstream intersection

Qing-Jun Wang; Xin Chen; Yu Cao

doi:10.1117/12.2652838

21 November 2022 Coordinated control strategy between entrance ramp of city expressway and upstream intersection

Qing-Jun Wang, Xin Chen, Yu Cao

Proceedings Volume 12340, International Conference on Frontiers of Traffic and Transportation Engineering (FTTE 2022); 123402T (2022) https://doi.org/10.1117/12.2652838
Event: International Conference on Frontiers of Traffic and Transportation Engineering (FTTE 2022), 2022, Lanzhou, China

Abstract

For the purpose of relieving the jamming problem in the connection area between the entrance ramp of urban expressway and the upstream intersection, this paper proposes an optimized coordinated control model coupled with the traffic flow prediction model of the connection area. The model is divided into three sub-models: traffic flow model of the connection area, traffic flow prediction model of the connection area and optimized coordinated control model of the connection area, respectively. The case simulation shows that, compared with the fixed-cycle control model, the optimized coordinated control model coupled with the traffic flow prediction model of the connection area optimizes the queue length of the on-ramp, the average queue length of the east entrance and others of the upstream intersection, and the average delay of the connection area by 31.58%, 40.14% (11.63%), and 27.04%, respectively. Compared with the optimized coordinated control model not coupled with the traffic flow prediction model of the connection area, the model is optimized by 13.33%, 26.09% (8.43%), and 3.96%, respectively. Therefore, the optimized coordinated control model coupled with the traffic flow prediction model of the connection area greatly improves the operation efficiency of the connection area.

Citation Download Citation

Qing-Jun Wang, Xin Chen, and Yu Cao "Coordinated control strategy between entrance ramp of city expressway and upstream intersection", Proc. SPIE 12340, International Conference on Frontiers of Traffic and Transportation Engineering (FTTE 2022), 123402T (21 November 2022); https://doi.org/10.1117/12.2652838

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