Incorrect U-turning of vehicles at intersections with traffic lights

The article describes the problem of incorrect U-turns at intersections with traffic lights. Statistical data on road incidents related to U-turns are presented. Then, the international, Polish and foreign regulations concerning u-turning at intersections with traffic lights were analysed. The situa...

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Main Authors: Tomasz Krukowicz, Krzysztof Firląg, Ewelina Sterniczuk
Format: Article
Language:English
Published: Faculty of Transport, Warsaw University of Technology 2021-03-01
Series:Archives of Transport
Subjects:
Online Access:http://aot.publisherspanel.com/gicid/01.3001.0014.8043
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author Tomasz Krukowicz
Krzysztof Firląg
Ewelina Sterniczuk
author_facet Tomasz Krukowicz
Krzysztof Firląg
Ewelina Sterniczuk
author_sort Tomasz Krukowicz
collection DOAJ
description The article describes the problem of incorrect U-turns at intersections with traffic lights. Statistical data on road incidents related to U-turns are presented. Then, the international, Polish and foreign regulations concerning u-turning at intersections with traffic lights were analysed. The situations in which U-turns are allowed or prohibit-ed are presented. The differences in design rules for junctions with U-turns in different countries have been taken into account. A literature review was also carried out that outlined various current U-turns around the world, including the design of turning places, the location of turning points, road safety when turning, and the impact of U-turns on traffic conditions. The further part of the article presents the results of field tests of the U-turn at 6 intersections located in Warsaw. The research was conducted by video observation. The results were broken down by age, gender, place of regis-tration of the vehicle, type of vehicle, and the effect of incorrect turning. Data on road incidents at the examined intersections were also analysed. Data from the database kept by the Police were compared with the measure-ment data. A regression analysis was performed between the types of recorded incorrect manoeuvres and the number of accidents at the intersection. The results of statistical analysis carried out do not indicate the existence of a relationship between the number of identified incorrect U-turns and the number of road incidents at inter-sections. Based on the research, it was found that the phenomenon of incorrect U-turns at intersections with traffic lights is common, and the use of directional (protected) signals does not eliminate this phenomenon. The conclusions indicate practical solutions to reduce the number of illegally U-turning vehicles. The recommended actions are related to the stage of shaping the road network, designing the road geometry and organizing traffic and traffic lights, and auditing road safety, as well as the stage of road operation.
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spelling doaj.art-316e9d9d41934182b0947eb60be055fb2022-12-21T20:16:54ZengFaculty of Transport, Warsaw University of TechnologyArchives of Transport0866-95462300-88302021-03-0157113114510.5604/01.3001.0014.804301.3001.0014.8043Incorrect U-turning of vehicles at intersections with traffic lightsTomasz Krukowicz0Krzysztof Firląg1Ewelina Sterniczuk2Warsaw University of Technology, Faculty of Transport, Warsaw, PolandWarsaw University of Technology, Faculty of Transport, Warsaw, PolandWarsaw University of Technology, Faculty of Transport, Warsaw, PolandThe article describes the problem of incorrect U-turns at intersections with traffic lights. Statistical data on road incidents related to U-turns are presented. Then, the international, Polish and foreign regulations concerning u-turning at intersections with traffic lights were analysed. The situations in which U-turns are allowed or prohibit-ed are presented. The differences in design rules for junctions with U-turns in different countries have been taken into account. A literature review was also carried out that outlined various current U-turns around the world, including the design of turning places, the location of turning points, road safety when turning, and the impact of U-turns on traffic conditions. The further part of the article presents the results of field tests of the U-turn at 6 intersections located in Warsaw. The research was conducted by video observation. The results were broken down by age, gender, place of regis-tration of the vehicle, type of vehicle, and the effect of incorrect turning. Data on road incidents at the examined intersections were also analysed. Data from the database kept by the Police were compared with the measure-ment data. A regression analysis was performed between the types of recorded incorrect manoeuvres and the number of accidents at the intersection. The results of statistical analysis carried out do not indicate the existence of a relationship between the number of identified incorrect U-turns and the number of road incidents at inter-sections. Based on the research, it was found that the phenomenon of incorrect U-turns at intersections with traffic lights is common, and the use of directional (protected) signals does not eliminate this phenomenon. The conclusions indicate practical solutions to reduce the number of illegally U-turning vehicles. The recommended actions are related to the stage of shaping the road network, designing the road geometry and organizing traffic and traffic lights, and auditing road safety, as well as the stage of road operation.http://aot.publisherspanel.com/gicid/01.3001.0014.8043U-turningturning backtraffic signalstraffic lightsroad safety
spellingShingle Tomasz Krukowicz
Krzysztof Firląg
Ewelina Sterniczuk
Incorrect U-turning of vehicles at intersections with traffic lights
Archives of Transport
U-turning
turning back
traffic signals
traffic lights
road safety
title Incorrect U-turning of vehicles at intersections with traffic lights
title_full Incorrect U-turning of vehicles at intersections with traffic lights
title_fullStr Incorrect U-turning of vehicles at intersections with traffic lights
title_full_unstemmed Incorrect U-turning of vehicles at intersections with traffic lights
title_short Incorrect U-turning of vehicles at intersections with traffic lights
title_sort incorrect u turning of vehicles at intersections with traffic lights
topic U-turning
turning back
traffic signals
traffic lights
road safety
url http://aot.publisherspanel.com/gicid/01.3001.0014.8043
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