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Tyre wear particles in a highway stormwater system during rain: quantification by automatic sampling and pyrolysis-GC/MS, and correlations with metals and solids
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Researchers quantified tire wear particles (TWPs) in a highway stormwater system using automatic sampling and pyrolysis-GC/MS analysis, finding high concentrations during rain events with continued transport through the drainage system, and establishing correlations with metal and solids loading.
Tyre wear particles in a highway stormwater system exhibited high concentrations during rain events, with further transport through the system.
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Tyre wear particles and metals in highway roadside ditches: Occurrence and potential transport pathways.
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Researchers characterized the occurrence and distribution of tyre wear particles (TWP) and associated metals in roadside soils and drainage ditches along a highway, investigating transport pathways and estimating the potential for TWP and metal contamination to reach surface water.
Relevance of tyre wear particles to the total content of microplastics transported by runoff in a high-imperviousness and intense vehicle traffic urban area.
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Researchers characterized microplastics and tire wear particles (TWPs) transported by urban stormwater runoff in a highly impervious catchment, finding that TWPs made up a substantial fraction of the total microplastic load in sediments of a stormwater detention reservoir. The study underscores the contribution of road traffic to microplastic pollution entering waterways.
Assessment of fine and coarse tyre wear particles along a highway stormwater system and in receiving waters: Occurrence and transport
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Researchers tracked tire wear particles through a highway stormwater drainage system in Sweden and found contamination at nearly every sampling point, with concentrations reaching up to 17 milligrams per liter in water. A significant portion of the particles were very small, in the 1.6 to 20 micrometer range, which are harder to filter out and more likely to travel long distances. The study highlights that tire wear is a major and often overlooked source of microplastic pollution reaching waterways.
Tire and road wear particles in infiltration pond sediments: Occurrence, spatial distribution, size fractionation and correlation with metals
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Tiny bits of rubber worn off from car tires (a type of microplastic) wash off roads into stormwater ponds along with toxic metals like arsenic, cadmium, and zinc, and this study found the two are closely linked, with rubber particle levels lining up with metal contamination in pond sediment. The good news: these ponds act as effective "catch basins," trapping tire particles and metals before they can reach rivers, lakes, or drinking water sources, highlighting why maintaining stormwater infrastructure matters for reducing pollution exposure in our environment.
Microplastic and tyre wear particles at a highway: a case study from Norway
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Researchers characterized microplastics including tyre wear particles across air, road runoff, and road dust near a heavily trafficked Norwegian highway using µFTIR and Py-GC/MS, finding the highest MP concentrations in road dust (up to 4250 counts per square meter) and the highest tyre wear particle concentrations in road dust and road runoff. The results showed that road runoff and road dust better reflected local traffic emissions while airborne MPs were more influenced by atmospheric transport.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.