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

doi:10.7250/bjrbe.2023-18.619

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

Authors

Vytautas Grigonis Department of Roads, Faculty of Environmental Engineering, Vilnius Gediminas Technical University, Vilnius, Lithuania https://orcid.org/0000-0002-7387-9541
Vladislav Kondratovič Department of Roads, Faculty of Environmental Engineering, Vilnius Gediminas Technical University, Vilnius, Lithuania https://orcid.org/0000-0002-8446-6785
Vytautas Palevičius Department of Roads, Faculty of Environmental Engineering, Vilnius Gediminas Technical University, Vilnius, Lithuania https://orcid.org/0000-0002-0331-2101
Dainora Juozevičiūtė Department of Roads, Faculty of Environmental Engineering, Vilnius Gediminas Technical University, Vilnius, Lithuania https://orcid.org/0000-0002-4496-0404
Tomas Karpavičius Department of Roads, Faculty of Environmental Engineering, Vilnius Gediminas Technical University, Vilnius, Lithuania https://orcid.org/0009-0006-2001-695X
Juris Smirnovs Department of Roads and Bridges, Transportation Engineering Institute, Faculty of Civil Engineering, Riga Technical University, Riga, Latvia https://orcid.org/0000-0003-3709-7179

DOI:

https://doi.org/10.7250/bjrbe.2023-18.619

Keywords:

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

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.

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