As a special road structure, dual-branch on-ramp has more complex operating characteristics than other ramps due to different origins of vehicles. To improve operational efficiency on main lines and guarantee the fairness of ramp vehicles, this paper proposed a coordinated dual-branch on-ramp metering control algorithm which considered the waiting time of each lanes on ramps as optimal condition to assure fairness. In the meantime, the performance of the proposed algorithm was compared with several conventional ramp metering strategies through a simulation experiment. The simulations are conducted based on the data collected from Dongbang interchange of G4221 expressway which is one of the busiest highways in Jiangsu, China. Then, two performance indexes are obtained and analyzed. The results indicate that the coordinated control strategy has optimal improvement on the mainline and the whole system.
A Coordinated Dual-Branch Interchange On-Ramp Metering Algorithm
21st COTA International Conference of Transportation Professionals ; 2021 ; Xi’an, China
CICTP 2021 ; 2419-2427
2021-12-14
Conference paper
Electronic Resource
English
A Coordinated Dual-Branch Interchange On-Ramp Metering Algorithm
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