2014
DOI: 10.1155/2014/107601
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Capacity Estimation for On-Ramp Merging Section of Urban Expressway Based on Time Headway Loss

Abstract: This paper proposes a model for estimating capacity of on-ramp merging section of urban expressway based on dynamics and gap acceptance theory, considering lane-changing processes and time headway loss. Survey data were collected from on-ramp merging sections of shanghai urban expressway system and showed that capacity drop of on-ramp merging section is caused by drivers’ lane-changing which may lead to unsteady speed of vehicles and so prolonged time headway compared to the minimum time headway corresponding … Show more

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