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Applied Sciences
Volume 14
Issue 23
10.3390/app142311260
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Article

Designing Traffic Light Signals to Ease Congestion Caused by Traffic Accidents Using Timed Petri Net

by
Ter-Chan Row
*,
Shih-Chih Lee
and
Jui-Fu Cheng
Department of Electrical and Electronic Engineering, Army Academy, Taoyuan City 32092, Taiwan
*
Author to whom correspondence should be addressed.
Appl. Sci. 2024, 14(23), 11260; https://doi.org/10.3390/app142311260
Submission received: 30 September 2024 / Revised: 6 November 2024 / Accepted: 27 November 2024 / Published: 3 December 2024
(This article belongs to the Special Issue Petri Net-Based Specifications: From Theory to Applications)
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Abstract

This study develops a timed Petri net (TPN)-based controller to mitigate traffic congestion resulting from sudden accidents by adapting traffic light sequences in real-time. The traditional traffic light signal (TLS) sequences are ineffective in resolving congestion from such accidents. To mitigate congestion, we propose immediately changing the sequence of TLSs at the traffic accident scene. Traffic accidents are categorized into three types (A-type, B-type and C-type) based on the direction in which they occur, and their traffic light sequences are designed according to their specific characteristics. By analyzing the timing of signal changes, ours proves to be more effective than traditional sequences in relieving traffic congestion.
Keywords: timed Petri net; traffic light signal; Petri net timed Petri net; traffic light signal; Petri net

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MDPI and ACS Style

Row, T.-C.; Lee, S.-C.; Cheng, J.-F. Designing Traffic Light Signals to Ease Congestion Caused by Traffic Accidents Using Timed Petri Net. Appl. Sci. 2024, 14, 11260. https://doi.org/10.3390/app142311260

AMA Style

Row T-C, Lee S-C, Cheng J-F. Designing Traffic Light Signals to Ease Congestion Caused by Traffic Accidents Using Timed Petri Net. Applied Sciences. 2024; 14(23):11260. https://doi.org/10.3390/app142311260

Chicago/Turabian Style

Row, Ter-Chan, Shih-Chih Lee, and Jui-Fu Cheng. 2024. "Designing Traffic Light Signals to Ease Congestion Caused by Traffic Accidents Using Timed Petri Net" Applied Sciences 14, no. 23: 11260. https://doi.org/10.3390/app142311260

APA Style

Row, T.-C., Lee, S.-C., & Cheng, J.-F. (2024). Designing Traffic Light Signals to Ease Congestion Caused by Traffic Accidents Using Timed Petri Net. Applied Sciences, 14(23), 11260. https://doi.org/10.3390/app142311260

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