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Applied Sciences
Volume 15
Issue 3
10.3390/app15031489
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Time–Space Analysis of Transport Infrastructures: A Pilot Study of Shibuya-Type Crossings for Signalized Intersections in Developing Cities

by
Sebastian Seriani
1,*,
Ariel Lopez
2,
Nicolas Ogalde
1,
Gerardo Dureo
1,
Bernardo Arredondo
1,
Vicente Aprigliano
1,
Alvaro Peña
1 and
Taku Fujiyama
3
1
Escuela de Ingeniería de Construcción y Transporte, Pontifica Universidad Católica de Valparaíso, Valparaíso 2362804, Chile
2
Facultad de Arquitectura y Urbanismo, Universidad de Chile, Santiago 8331051, Chile
3
Department of Civil, Environ & Geomatic, Faculty of Engineering Sciences, University College London, London WC1E 6BT, UK
*
Author to whom correspondence should be addressed.
Appl. Sci. 2025, 15(3), 1489; https://doi.org/10.3390/app15031489
Submission received: 26 December 2024 / Revised: 30 January 2025 / Accepted: 30 January 2025 / Published: 31 January 2025
(This article belongs to the Special Issue Human Geography in an Uncertain World: Challenges and Solutions)
Versions Notes

Abstract

Cities are growing larger, and congestion is becoming a major issue. Walking is increasingly becoming an important mode of transport in developing cities. One of the reasons for the high death toll is the lack of pedestrian facilities at transport infrastructures such as signalized intersections, where a conflict arises between vehicles turning right and pedestrians crossing at different speeds. This conflict, known as the vehicle–pedestrian conflict (in right-driving jurisdictions), occurs when the green light for vehicles is shared with the green pedestrian light. Additionally, if the intersection is congested due to high pedestrian flow, vehicles will turn right only during the yellow light, trying to find a gap in the pedestrian flow. As a result, delays increase for both pedestrians and vehicles, reducing the intersection’s capacity. To reduce the vehicle–pedestrian conflict, various pedestrian facilities can be implemented, such as Shibuya-type crossings, which include an exclusive pedestrian phase and diagonal crossing. When applying this type of solution, vehicle delays are reduced up to 81% on average, increasing the efficiency and safety of the space used at the intersection. However, pedestrian delays might increase up to 5 times, due to the need to wait for the third exclusive phase for them to cross the intersection in all directions. The method is applied in a case of study in Valparaiso, Chile, and therefore can be expanded in further research to other developing cities in Chile and specifically Latin America.
Keywords: pedestrian; vehicle; delays; diagonal crossing; time–space analysis; transport infrastructure; signalized intersections pedestrian; vehicle; delays; diagonal crossing; time–space analysis; transport infrastructure; signalized intersections

Share and Cite

MDPI and ACS Style

Seriani, S.; Lopez, A.; Ogalde, N.; Dureo, G.; Arredondo, B.; Aprigliano, V.; Peña, A.; Fujiyama, T. Time–Space Analysis of Transport Infrastructures: A Pilot Study of Shibuya-Type Crossings for Signalized Intersections in Developing Cities. Appl. Sci. 2025, 15, 1489. https://doi.org/10.3390/app15031489

AMA Style

Seriani S, Lopez A, Ogalde N, Dureo G, Arredondo B, Aprigliano V, Peña A, Fujiyama T. Time–Space Analysis of Transport Infrastructures: A Pilot Study of Shibuya-Type Crossings for Signalized Intersections in Developing Cities. Applied Sciences. 2025; 15(3):1489. https://doi.org/10.3390/app15031489

Chicago/Turabian Style

Seriani, Sebastian, Ariel Lopez, Nicolas Ogalde, Gerardo Dureo, Bernardo Arredondo, Vicente Aprigliano, Alvaro Peña, and Taku Fujiyama. 2025. "Time–Space Analysis of Transport Infrastructures: A Pilot Study of Shibuya-Type Crossings for Signalized Intersections in Developing Cities" Applied Sciences 15, no. 3: 1489. https://doi.org/10.3390/app15031489

APA Style

Seriani, S., Lopez, A., Ogalde, N., Dureo, G., Arredondo, B., Aprigliano, V., Peña, A., & Fujiyama, T. (2025). Time–Space Analysis of Transport Infrastructures: A Pilot Study of Shibuya-Type Crossings for Signalized Intersections in Developing Cities. Applied Sciences, 15(3), 1489. https://doi.org/10.3390/app15031489

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