What is it about?
We analyse the effect of speed humps/bumps on traffic emissions, mainly CO2, NOx, PM and VOC (Volatile Organic Compounds). We found that for low vehicle densities, the traffic emissions increase as the number of speed humps/bumps along the road increases. The high vehicle density cases are interesting since the number of speed/humps on the road has no significant effect on traffic emissions.
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Why is it important?
It is important to note that for roads with low traffic density, the number of speed humps/bumps may significantly impact the traffic emissions. Conversely, for high-traffic-density roads, the number of speed bumps/humps has no significant effect on traffic emissions.
Perspectives
Urban designers should reconsider whether to install traffic bumps/humps as a calming traffic measurement due to associated traffic emissions and their impact on public health.
Julio César Pérez-Sansalvador
Instituto Nacional de Astrofísica Óptica y Electrónica
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This page is a summary of: The Effect of Speed Humps on Instantaneous Traffic Emissions, Applied Sciences, February 2020, MDPI AG,
DOI: 10.3390/app10051592.
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