Analysis of the Impact of Countdown Signal Timers on Driving Behavior and Road Safety

This article describes the safety and effectiveness issues related to signal countdown timers (SCT). These devices are used in many countries around the world. The impact of these devices on road safety and the effectiveness of traffic lights is presented. During a literature review, more than 18 as...

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Autores principales:	Tomasz Krukowicz, Krzysztof Firląg, Józef Suda, Mirosław Czerliński
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	signal countdown timer SCT GSCT RSCT traffic signals traffic lights Technology T
Acceso en línea:	https://doaj.org/article/7ef35b368afa4e0f8808c50d291fcb6b
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spelling	oai:doaj.org-article:7ef35b368afa4e0f8808c50d291fcb6b2021-11-11T15:53:05ZAnalysis of the Impact of Countdown Signal Timers on Driving Behavior and Road Safety10.3390/en142170811996-1073https://doaj.org/article/7ef35b368afa4e0f8808c50d291fcb6b2021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7081https://doaj.org/toc/1996-1073This article describes the safety and effectiveness issues related to signal countdown timers (SCT). These devices are used in many countries around the world. The impact of these devices on road safety and the effectiveness of traffic lights is presented. During a literature review, more than 18 aspects of device use were recognized. The research involved measurements carried out at three intersections in Płock (Poland). The initial and final period of the green signal for vehicles was analyzed. Headways, incidences of vehicles passing through after the end of the green signal, and red-light violations were examined. Additionally, a fuel consumption analysis and a case study of a road crash in Szczecin (Poland) are presented. Problems related to signal countdown timers working during traffic light failure are described. The research shows different influences of signal countdown timers at various intersections. It was observed that SCTs increase the number of red-light violations and during the red-amber signal. On the other hand, the number of entries during the amber signal with SCTs is lower. A literature review also indicated that the use of SCT causes a reduction of start-up time (positive impact) and increases vehicle speed (negative impact). The article concludes that SCTs do not always fulfill their role in improving road safety and control efficiency. Conclusions can address various stakeholders, including drivers, road authorities, and traffic engineers.Tomasz KrukowiczKrzysztof FirlągJózef SudaMirosław CzerlińskiMDPI AGarticlesignal countdown timerSCTGSCTRSCTtraffic signalstraffic lightsTechnologyTENEnergies, Vol 14, Iss 7081, p 7081 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	signal countdown timer SCT GSCT RSCT traffic signals traffic lights Technology T
spellingShingle	signal countdown timer SCT GSCT RSCT traffic signals traffic lights Technology T Tomasz Krukowicz Krzysztof Firląg Józef Suda Mirosław Czerliński Analysis of the Impact of Countdown Signal Timers on Driving Behavior and Road Safety
description	This article describes the safety and effectiveness issues related to signal countdown timers (SCT). These devices are used in many countries around the world. The impact of these devices on road safety and the effectiveness of traffic lights is presented. During a literature review, more than 18 aspects of device use were recognized. The research involved measurements carried out at three intersections in Płock (Poland). The initial and final period of the green signal for vehicles was analyzed. Headways, incidences of vehicles passing through after the end of the green signal, and red-light violations were examined. Additionally, a fuel consumption analysis and a case study of a road crash in Szczecin (Poland) are presented. Problems related to signal countdown timers working during traffic light failure are described. The research shows different influences of signal countdown timers at various intersections. It was observed that SCTs increase the number of red-light violations and during the red-amber signal. On the other hand, the number of entries during the amber signal with SCTs is lower. A literature review also indicated that the use of SCT causes a reduction of start-up time (positive impact) and increases vehicle speed (negative impact). The article concludes that SCTs do not always fulfill their role in improving road safety and control efficiency. Conclusions can address various stakeholders, including drivers, road authorities, and traffic engineers.
format	article
author	Tomasz Krukowicz Krzysztof Firląg Józef Suda Mirosław Czerliński
author_facet	Tomasz Krukowicz Krzysztof Firląg Józef Suda Mirosław Czerliński
author_sort	Tomasz Krukowicz
title	Analysis of the Impact of Countdown Signal Timers on Driving Behavior and Road Safety
title_short	Analysis of the Impact of Countdown Signal Timers on Driving Behavior and Road Safety
title_full	Analysis of the Impact of Countdown Signal Timers on Driving Behavior and Road Safety
title_fullStr	Analysis of the Impact of Countdown Signal Timers on Driving Behavior and Road Safety
title_full_unstemmed	Analysis of the Impact of Countdown Signal Timers on Driving Behavior and Road Safety
title_sort	analysis of the impact of countdown signal timers on driving behavior and road safety
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/7ef35b368afa4e0f8808c50d291fcb6b
work_keys_str_mv	AT tomaszkrukowicz analysisoftheimpactofcountdownsignaltimersondrivingbehaviorandroadsafety AT krzysztoffirlag analysisoftheimpactofcountdownsignaltimersondrivingbehaviorandroadsafety AT jozefsuda analysisoftheimpactofcountdownsignaltimersondrivingbehaviorandroadsafety AT mirosławczerlinski analysisoftheimpactofcountdownsignaltimersondrivingbehaviorandroadsafety
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Analysis of the Impact of Countdown Signal Timers on Driving Behavior and Road Safety

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