Traffic Flow Characteristics and Traffic Organization Strategy in a Diversion and Interleaving Area of Multi-lane Freeways

JI Tuo; ZHOU Ying; LYU Nengchao

doi:10.3963/j.jssn.1674-4861.2021.02.016

Volume 39 Issue 2

Apr. 2021

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Article Navigation > Journal of Transport Information and Safety > 2021 > 39(2): 126-136, 152

JI Tuo, ZHOU Ying, LYU Nengchao. Traffic Flow Characteristics and Traffic Organization Strategy in a Diversion and Interleaving Area of Multi-lane Freeways[J]. Journal of Transport Information and Safety, 2021, 39(2): 126-136, 152. doi: 10.3963/j.jssn.1674-4861.2021.02.016

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JI Tuo, ZHOU Ying, LYU Nengchao. Traffic Flow Characteristics and Traffic Organization Strategy in a Diversion and Interleaving Area of Multi-lane Freeways[J]. Journal of Transport Information and Safety, 2021, 39(2): 126-136, 152. doi: 10.3963/j.jssn.1674-4861.2021.02.016

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Traffic Flow Characteristics and Traffic Organization Strategy in a Diversion and Interleaving Area of Multi-lane Freeways

doi: 10.3963/j.jssn.1674-4861.2021.02.016

JI Tuo^1
,,
ZHOU Ying²,
LYU Nengchao^{1
,
,}

1.
Intelligent Transportation Systems Research Center, Wuhan University of Technology, Wuhan 430063, China
2.
Second Highway Consultant Company LTD., CCCC, Wuhan 430056, China

Received Date: 2020-06-05

Abstract

Abstract

Many safety problems exist in the interleaving area of multi-lane expressways due to increased lanes and traffic flow and the unreasonable setting of signs. The traffic organization form with its advantages and disadvantages of the interleaving area of multi-lane expressways is proposed by analyzing the problems in the interleaving area of multi-lane expressways and the forms of existing multi-lane expressways(integrated section, passenger-and-cargo separated sections, and main and auxiliary separated sections). According to the operating speed, capacity, safety characteristics, and conflict characteristics of the multi-lane expressway diversion and weaving area, optimized suggestions on traffic management(lane and speed managements)and guidance facilities(same direction separation zone and marking)at the diverging and weaving areas of multi-lane expressways are put forward. The proposed optimization opinions on traffic management and guidance facilities can significantly improve the safety of the interleaving area of multi-lane expressways as well as its operation.
- traffic engineering,
- multi-lane expressway,
- section form,
- traffic flow characteristics,
- optimization of traffic organization and management

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References

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Traffic Flow Characteristics and Traffic Organization Strategy in a Diversion and Interleaving Area of Multi-lane Freeways

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