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Article

The Effect of Speed Humps on Instantaneous Traffic Emissions

1
Instituto Nacional de Astrofísica, Óptica y Electrónica, Santa María Tonantzintla, 72840 Puebla, Mexico
2
Consejo Nacional de Ciencia y Tecnología, 03940 CDMX, Mexico
3
CNRS, LAAS, 7 avenue du Colonel Roche, F-31400 Tolouse, France
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(5), 1592; https://doi.org/10.3390/app10051592
Received: 23 January 2020 / Revised: 14 February 2020 / Accepted: 21 February 2020 / Published: 27 February 2020
Bad air quality due to free pollutants such as particulate matter (PM), carbon dioxide (CO 2 ), nitrogen oxides (NO x ) and volatile organic components (VOC) increases the risk of long- term health diseases. The impact of traffic-calming measures on air quality has been studied using specialized equipment at control sites or mounted on cars to monitor pollutants levels. However, this approach suffers from a large number of variables on the experiments such as vehicles types, number of monitored vehicles, driver’s behavior, traffic density, time of the day, elapsed monitoring time, road conditions and weather. In this work, we use a cellular automata and an instantaneous traffic emissions model to capture the effect of speed humps on traffic flow and on the generation of CO 2 , NO x , VOC and PM pollutants. This approach allows us to study and characterize the effect of many speed humps on a single lane. We found that speed humps significantly promote the generation of pollutants when the number of vehicles on a lane is low. Our results may provide insight into urban planning strategies to reduce the generation of traffic emissions and lower the risk of long-term health diseases. View Full-Text
Keywords: traffic emissions; traffic flow; traffic-calming strategies; speed humps; cellular automata; simulation traffic emissions; traffic flow; traffic-calming strategies; speed humps; cellular automata; simulation
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MDPI and ACS Style

Pérez-Sansalvador, J.C.; Lakouari, N.; Garcia-Diaz, J.; Hernández, S.E.P. The Effect of Speed Humps on Instantaneous Traffic Emissions. Appl. Sci. 2020, 10, 1592. https://doi.org/10.3390/app10051592

AMA Style

Pérez-Sansalvador JC, Lakouari N, Garcia-Diaz J, Hernández SEP. The Effect of Speed Humps on Instantaneous Traffic Emissions. Applied Sciences. 2020; 10(5):1592. https://doi.org/10.3390/app10051592

Chicago/Turabian Style

Pérez-Sansalvador, Julio C.; Lakouari, Noureddine; Garcia-Diaz, Jesus; Hernández, Saúl E.P. 2020. "The Effect of Speed Humps on Instantaneous Traffic Emissions" Appl. Sci. 10, no. 5: 1592. https://doi.org/10.3390/app10051592

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