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Development of an Algorithm for Dynamic Traffic Operations of Freeway Climbing Lane Toward Traffic Safety
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 Title & Authors
Development of an Algorithm for Dynamic Traffic Operations of Freeway Climbing Lane Toward Traffic Safety
PARK, Hyunjin; YOUN, Seokmin; OH, Cheol;
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Interest in freeway truck traffic has increased largely due to greater safety concerns regarding truck-related crashes. The negative interactions between slow-moving trucks and other vehicles are a primary cause of hazardous conditions, which lead to crashes with larger speed variations. To improve operational efficiency and safety, providing a climbing lane that separates slow-moving trucks from higher performance vehicles is frequently considered when upgrading geometrics. This study developed an operations strategy for freeway climbing lanes based on traffic conditions in real time. To consider traffic safety when designing a dynamic strategy to determine whether a climbing lane is closed or open, various factors, including the level of service (LOS) and the percentage of trucks, are investigated through microscopic simulations. A microscopic traffic simulator, VISSIM, was used to simulate freeway traffic streams and collect vehicle-maneuvering data. Additionally, an external application program interface, VISSIM's COM-interface, was used to implement the proposed climbing lane operations strategies. Surrogate safety measures (SSM), including the frequency of rear-end conflicts and, were used to quantitatively evaluate the traffic safety using an analysis of individual vehicle trajectories obtained from VISSIM simulations with various operations scenarios. It is expected that the proposed algorithm can be the backbone for operating the climbing lane in real time for safer traffic management.
accident severity;climbing lane;lane control system;safety evaluation;traffic conflict;
 Cited by
Choi Y. H., Lee S. J., Bae Y. S., Ko H. G. (2010), A Case Study on the Traffic Operational Guidance for Temporary Closure of Climbing Lane; Focusing on Nakdong JC at Jungbunaeryuk Expressway.

Fazio J., Rouphail N. M. (1990), Conflict simulation in INTRAS: Application to weaving area capacity analysis, Transportation Research Record, (1287).

Kim B. S., Kim S. G., Yun L. S., Oh Y. T., Hong D. P., Lee K. H. (2014), An Study on the safety of Passing-type Climbing Lanes in Expressways Using C-G Method, International Journal of Highway Engineering, 16(1), 99-109.

Ko H. G. (2015), Development of a Dynamic Climbing Lane Control Model at Climbing Lanes, Doctor's Degree thesis, Ajou University.

Ko H. G., Chol Y. H., Oh Y. T., Kang J. G. (2012), Evaluation of Dynamic Lane Allocation Method at Climbing Lane Section, J. Korean Soc. Transp., 30(1), Korean Society of Transportation, 59-72.

Lee H. S. (2009), Analysis on Effectiveness of Hard Shoulder Lane at Congested Section of Freeway, University of Seoul, Master Dissertation, International Journal of Highway Engineering, 12(4), 17-28.

Ministry of Land, Transport and Maritime Affairs(2001), Guide on Road Capacity.

Ministry of Land, Transport and Maritime Affairs(2014), Rules for Standard of Structure and Facilities of the Road(Explanation and Guideline).

Mithilesh Jha, David Cuneo, Moshe Ben-Akiva (1999), Evaluation of Freeway Lane Control For Incident Management, Journal of Transportaion Engineering, 125(6), 495-501. crossref(new window)

Schaefer L., Upchurch J., Ashur S. A. (1998), An Evaluation of Freeway Lane Control Signing Using Computer Simulation, Mathematical and Computer Modeling, 27(9-11), 177-187. crossref(new window)

Yoo B. S., Lee S. B., Park W. Y., Park J. T. (2010), Safety Improvement of Installation of "Hi-pass" System at Expressway Toll Gate, J. Korean Soc. Transp., 28(4), Korean Society of Transportation, 7-18.