Research on the Operational Characteristics of Diverging Area on Expressway Off-ramp based on Different Restricted Strategy of Lane

Gong, Jie; Guo, Xiucheng; Dai, Shuai; Duan, Li

doi:10.1016/j.sbspro.2013.08.132

Cited by 3 publications

(2 citation statements)

References 4 publications

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“…The contrast movement rate of the vehicle queue and air resistance coefficient in the vehicle's instantaneous power consumption are modified as shown in (10) and (11).…”

Section: Carbon Emission Calculation Model Of Heterogeneous Traffic Flowmentioning

confidence: 99%

Analysis of Carbon Emissions in Heterogeneous Traffic Flow within the Influence Area of Highway Off-Ramps

Su,

Chen,

et al. 2023

Applied Sciences

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With the continuous advancements in electrification, connectivity, and intelligence in the automotive industry, the mixed traffic of vehicles with different levels of driving automation is changing the carbon emission characteristics in the impact areas of off-ramps on highways. Considering the insufficient research on the carbon emission characteristics of heterogeneous traffic flow in the downstream influence areas of highway off-ramps, this study applied a scenario analysis method. Furthermore, considering factors such as vehicle composition, road control, and platoon management, it establishes and calibrates measurement models for carbon emissions from conventional vehicles, intelligent vehicles, the platoon driving of electric vehicles, and the mixed platoon driving of conventional vehicles and electric vehicles. This study also provides a simulation scenario for a three-lane highway off-ramp based on the actual conditions of the Xi’an Ring Expressway. Finally, by applying the constructed carbon emission calculation models for heterogeneous traffic flow in the intelligent vehicle mixed traffic scenario, a quantitative analysis was conducted to assess the impacts of the intelligent vehicle infiltration rate, off-ramp vehicle proportion, smart-vehicle-dedicated lanes, and platoon driving on carbon emissions in the downstream influence area of off-ramps. The results revealed the impact of intelligent vehicle integration and platoon driving on carbon emission characteristics in the downstream influence areas of highway off-ramps.

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“…The contrast movement rate of the vehicle queue and air resistance coefficient in the vehicle's instantaneous power consumption are modified as shown in (10) and (11).…”

Section: Carbon Emission Calculation Model Of Heterogeneous Traffic Flowmentioning

confidence: 99%

Analysis of Carbon Emissions in Heterogeneous Traffic Flow within the Influence Area of Highway Off-Ramps

Su,

Chen,

et al. 2023

Applied Sciences

View full text Add to dashboard Cite

show abstract

“…is analysis provided a basis for improving the behaviors of different types of drivers. Using actual survey data from two off-ramp under dissimilar operational strategies, Gong et al [14] analyzed the vehicle type distribution in different lanes. By a driving simulator experiment, Shi and Liu [15] found that with differentiated per-lane speed limit scenarios, the level of driving safety has been improved.…”

Section: Introductionmentioning

confidence: 99%

Collaborative Strategies and Simulation of Vehicle Group Behaviors for Off-Ramp Areas

Zhang

et al. 2020

Journal of Advanced Transportation

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With the increase of vehicle ownership and the rapid growth of urban traffic, the problem of congestion in the off-ramp area of the main expressway has become the main factor restricting overall section efficiency and inducing traffic accidents. This paper focuses on the problem of group collaborative lane-changing behaviors of off-ramp vehicles and through vehicles in off-ramp areas and proposes four kinds of vehicle group collaborative strategies based on different road space balance conditions. According to a three-lane expressway scene, a VISSIM-based simulation model is built and the optimization scheme is simulated and evaluated. The simulation results show that with the increase of traffic flow in off-ramp areas, a flow-balance strategy for downstream lanes where off-ramp vehicles merge with the outside lane in advance is more advantageous. When vehicles are leaving the main road, if traffic flow is heavy, the flow-balance strategy for lanes where off-ramp vehicles merge with the outside lane in advance (for example, the proportion of off-ramp vehicles in three lanes is 0 : 0 : 1) is better; otherwise, when the traffic flow on the main road is relatively small, the flow-balance strategy for lanes where off-ramp vehicles are distributed in lanes with different ratios (e.g., 1 : 3 : 6) is better. What is more, for future traffic management in connected vehicle environments, it can be concluded that collaborative vehicle lane-changing strategies with different traffic flow states can help to enhance traffic efficiency.

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Geometric Safety Design of Freeway off-Ramp-Street Terminal Based on Traffic Flow Characteristic Analysis

Zhao¹,

Zhao

2017

Green Intelligent Transportation Systems

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Research on the Operational Characteristics of Diverging Area on Expressway Off-ramp based on Different Restricted Strategy of Lane

Cited by 3 publications

References 4 publications

Analysis of Carbon Emissions in Heterogeneous Traffic Flow within the Influence Area of Highway Off-Ramps

Analysis of Carbon Emissions in Heterogeneous Traffic Flow within the Influence Area of Highway Off-Ramps

Collaborative Strategies and Simulation of Vehicle Group Behaviors for Off-Ramp Areas

Geometric Safety Design of Freeway off-Ramp-Street Terminal Based on Traffic Flow Characteristic Analysis

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