Operational Analyses of Freeway Off-Ramp Bottlenecks | Zendy

Alexander Skabardonis | Zendy; Fanis Papadimitriou | Zendy; Bill Halkias | Zendy; Pantelis Kopelias | Zendy

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Operational Analyses of Freeway Off-Ramp Bottlenecks

Author(s) -

Alexander Skabardonis,

Fanis Papadimitriou,

Bill Halkias,

Pantelis Kopelias

Publication year - 2016

Publication title -

transportation research procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.657

H-Index - 40

eISSN - 2352-1465

pISSN - 2352-1457

DOI - 10.1016/j.trpro.2016.06.048

Subject(s) - weaving , bottleneck , highway capacity manual , traffic volume , transport engineering , range (aeronautics) , section (typography) , computer science , environmental science , engineering , operations management , level of service , mechanical engineering , aerospace engineering , operating system

The paper presents the findings to date of operational analyses at freeway off-ramps with emphasis on analysis procedures on recurrent off-ramp bottleneck locations at the Attiki odos motorway (Attica Tollway) in Athens, Greece. We compared the observed traffic performance metrics at two sites with the predicted measures using the methodology of freeway diverge areas and weaving sections in the 2010 edition of Highway Capacity Manual (HCM) for a wide range of traffic conditions. The findings indicate that the HCM volume predictions at the diverge area are in close agreement with field data and the density is underestimated by 7% on the average. The HCM weaving analysis methodology underestimated the weaving section capacity especially for high weaving volumes, and overestimated the section density by 17% on the average

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