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- W4387233434 abstract "Unsignalized mid-block crosswalks are adopted to regulate unauthorized crossings by promoting drivers’ yielding to pedestrians. Although pedestrian-vehicle interactions at crosswalks have been widely studied, the effects of such facilities regarding traffic flow and emissions have been overlooked. This paper presents a vehicle-pedestrian cellular automata model to analyze the effects of two types of crosswalk systems: raised and zebra, on traffic characteristics. The model allows microscopically studying the impact of the induced speed heterogeneity in terms of traffic flow, CO2 emissions, and kinetic energy dissipation. Simulation results show that traffic flow experiences four phases in both systems: maximum current, congestion, jamming, and blocking; with second-order transitions among them. The maximum current phase is the only one with free-flow conditions shrinking faster in the system with a raised crosswalk than in the one with zebra. Both systems reach the blocking phase when the pedestrian entrance rate surpasses a critical value. However, raised crosswalk has lesser repercussions in CO2 emission and energy dissipation by eliciting traffic calm. This study enhances the comprehension of the impacts of mid-block crosswalks, depending on the manner in which they are deployed." @default.
- W4387233434 created "2023-10-02" @default.
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- W4387233434 date "2023-11-01" @default.
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- W4387233434 title "Pedestrian-vehicle interactions at unsignalized mid-block crosswalks: Effects on traffic flow, CO<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline id=d1e1296 altimg=si189.svg><mml:msub><mml:mrow /><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:math> emissions, and energy dissipation" @default.
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- W4387233434 doi "https://doi.org/10.1016/j.physa.2023.129265" @default.
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