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<title>Evaluation of the efficiency of traffic lights turning red in case of exceeding speed limit with previous panels indicating the speed</title>
<creator>Pérez Acebo, Heriberto</creator>
<creator>Otxoa Muñoz, Xabier</creator>
<creator>Marquina Llaguno, Mikel</creator>
<creator>Gonzalo Orden, Hernán</creator>
<subject>Tráfico</subject>
<subject>Seguridad vial</subject>
<subject>Vehículos</subject>
<subject>Traffic</subject>
<subject>Road safety</subject>
<subject>Vehicles</subject>
<description>Trabajo presentado en: R-Evolucionando el transporte, XIV Congreso de Ingeniería del Transporte (CIT 2021), realizado en modalidad online los días 6, 7 y 8 de julio de 2021, organizado por la Universidad de Burgos</description>
<description>A usual traffic calming measure (TCM) to reduce vehicle speed in urban areas is the traffic&#xd;
lights that turn red when a vehicle exceeds the speed limit. These traffic lights can detect if&#xd;
an approaching vehicle exceeds the speed limit and, if so, stop it by means of a red light. It&#xd;
is generally employed in interurban roads rather than in big cities, where the presence of&#xd;
traffic lights is common. In a rural road crossing a small village, they are deployed to reduce&#xd;
the risk of accidents to vulnerable road used when vehicles arriving at high speeds tend to&#xd;
conflict with pedestrians attempting to cross the road.&#xd;
The aim of this paper is to analyze the efficiency of this TCM, preceded by panels indicating&#xd;
the vehicles’ speed, by controlling the vehicles’ speed in the A-132 road that crosses through&#xd;
the village of Azazeta in the province of Álava/Araba (Spain). Different sequence of the&#xd;
TCMs can be found in each direction approaching the village; in A direction, warning traffic&#xd;
lights, the panel indicating the speed and the traffic light turning red; and in B direction, the&#xd;
panel, the warning traffic lights and the traffic lights turning red.&#xd;
However, similar results were obtained in both directions for average speeds and percentile&#xd;
85 of the speed distribution at the traffic lights, and speed was reduced as motorists faced&#xd;
the TCMs. However, although average speed was below speed limit (50 km/h), the percentile&#xd;
85 was over it, implying that more than 26% of drivers did not respect the red light.&#xd;
Moreover, after the traffic lights turning red, motorist speed up and higher values were&#xd;
measured at the midpoint of the urban segment, the place where pedestrians use to cross&#xd;
from one side of the village to the other one, although no pedestrian crosswalk is available.</description>
<date>2022-09-22</date>
<date>2022-09-22</date>
<date>2021-07</date>
<type>info:eu-repo/semantics/conferenceObject</type>
<identifier>978-84-18465-12-3</identifier>
<identifier>http://hdl.handle.net/10259/7022</identifier>
<identifier>10.36443/10259/7022</identifier>
<language>eng</language>
<relation>R-Evolucionando el transporte</relation>
<relation>http://hdl.handle.net/10259/6490</relation>
<relation>https://doi.org/10.36443/9788418465123</relation>
<relation>info:eu-repo/grantAgreement/GIRDER Ingenieros//2019.0478</relation>
<rights>info:eu-repo/semantics/openAccess</rights>
<publisher>Universidad de Burgos. Servicio de Publicaciones e Imagen Institucional</publisher>
</thesis></metadata></record></GetRecord></OAI-PMH>