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Article

Signal Control Method for Through and Left-Turn Shared Lane by Setting Left-Turn Waiting Area at Signalized Intersections

by 1,*, 1, 2 and 3
1
School of Transportation Science & Engineering, Harbin Institute of Technology, Harbin 150001, China
2
Department of Intelligent Transportation, Heilongjiang Transportation Information and Planning Research Center, Harbin 150080, China
3
School of Land Resources and Urban & Rural Planning, Hebei GEO University, Shijiazhuang 050031, China
*
Author to whom correspondence should be addressed.
Academic Editor: Aoife Ahern
Sustainability 2021, 13(23), 13154; https://doi.org/10.3390/su132313154
Received: 3 November 2021 / Revised: 23 November 2021 / Accepted: 23 November 2021 / Published: 27 November 2021
This paper proposes a signal control method for the through and left-turn shared lanes at signalized intersections to solve traffic conflicts between left-turn vehicles and opposing through vehicles by setting left-turn waiting area (LWA). Delays and stops are weighted to form an integrated performance index (PI) in a vehicle-to-infrastructure cooperation system. The PI models pertaining to all vehicles are established based on the LWA intersection. In addition, an optimized method of signal timing parameters is constructed by minimizing the average PI. VISSIM simulation shows that the average PI decreases by 6.51% compared with the original layout and signal timing plan of the intersection, since the increased delay of the side-road left-turn vehicles is insufficient to offset the reduced delay of the side-road through vehicles after the improvement. The sensitivity analysis shows that the greater the traffic volume of the phase including the through and left-turn shared lanes, the higher the operation efficiency of the LWA intersection compared with the typical permitted phase intersection. When the left-turn vehicles of the shared lanes in each cycle are less than the stop spaces, the LWA intersection can effectively reduce the average PI of the shared lanes. Furthermore, the more the stop spaces in the LWA, the lower the average PI in the same traffic conditions. View Full-Text
Keywords: left-turn waiting area; through and left-turn shared lane; integrated performance index; signal timing parameters optimization; vehicle-to-infrastructure cooperation system left-turn waiting area; through and left-turn shared lane; integrated performance index; signal timing parameters optimization; vehicle-to-infrastructure cooperation system
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MDPI and ACS Style

Jiang, X.; Yao, L.; Jin, Y.; Wu, R. Signal Control Method for Through and Left-Turn Shared Lane by Setting Left-Turn Waiting Area at Signalized Intersections. Sustainability 2021, 13, 13154. https://doi.org/10.3390/su132313154

AMA Style

Jiang X, Yao L, Jin Y, Wu R. Signal Control Method for Through and Left-Turn Shared Lane by Setting Left-Turn Waiting Area at Signalized Intersections. Sustainability. 2021; 13(23):13154. https://doi.org/10.3390/su132313154

Chicago/Turabian Style

Jiang, Xiancai, Li Yao, Yao Jin, and Runting Wu. 2021. "Signal Control Method for Through and Left-Turn Shared Lane by Setting Left-Turn Waiting Area at Signalized Intersections" Sustainability 13, no. 23: 13154. https://doi.org/10.3390/su132313154

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