Performance Analysis of One-Level Signalized Urban Intersections with Exclusive Pedestrian Phases and Diagonal Crossings

Vytautas Grigonis, Vladislav Kondratovič, Vytautas Palevičius, Dainora Juozevičiūtė, Tomas Karpavičius, Juris Smirnovs

Abstract


The exclusive pedestrian (hereinafter P) phase with a diagonal crossing is routinely introduced to improve P safety at high-volume intersections. The article analyses and evaluates the feasibility of the exclusive P phase and diagonal crossing at single-level smaller intersections, identifying the advantages and disadvantages of the exclusive P phase and diagonal crossing from the point of view of time losses. In the experimental part, traffic flow modelling is carried out. The traffic flow simulations show that an exclusive P phase is most beneficial in terms of time losses at an intersection with 2+2 lane intersecting streets and ≥ 900 P/hour with ≥ 1600 vehicles/hour (hereinafter V). In addition, an exclusive P phase can be implemented at the small intersections analysed in this paper, where the volume of V is low or medium, regardless of the number of P at the intersection.


Keywords:

efficiency assessment; geometric model of intersection; intersection control; pedestrian scramble; pedestrian priority; time losses; traffic flow modelling

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References


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DOI: 10.7250/bjrbe.2023-18.619

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