Abstract
Roadside dust resulting from industrialization of society has an adverse effect on the environment and human health. However, despite the global research progress in this field, to date, no bibliometric report on the subject has been documented. Hence, bibliometric mapping is important to assess the quality and quantity of the global research activities on road dust. Data were retrieved from the Web of Science Core Collection and Scopus, while RStudio software was used for data analysis. A total of 1186 publications were retrieved from these databases, and progressive growth in the subject over the last 10 years was observed, considering the positive correlation (y = 0.0024 × 3 − 0.1454 × 2 + 2.6061 × −8.5371; R2 = 0.961) obtained for these indices. China had the highest publications, and environmental science-related journals dominated publications on road dust. The findings suggest that other regions of the world, such as the Middle East and Africa, need to channel their research efforts toward this field, considering the shortage of publications on the subject from these regions. Therefore, this study shows that assessing research activity on road dust is important for planning impactful research directions and setting protective and adaptive policies related to the field.
Highlights
Road transportation is important for sustained and inclusive growth of the economy and plays a key role in increasing social divergence in all nations [1]
The bibliometric analysis was comprehensive and relatively objective based on the data retrieved from the two databases used in the study
Our findings revealed a significant growth in the research output over the years, and research interest in the subject was noted to have risen drastically as compared when this research subject was in its infancy
Summary
Road transportation is important for sustained and inclusive growth of the economy and plays a key role in increasing social divergence in all nations [1]. When compared to other transport means, road projects improve the economic and societal well-being of people [2]. A good road network can decrease travel time, reduce the costs of transport, and increase income and standard of living; the merits of road transport are indisputable [2]. Regardless of the merits, road transportation activities may constitute adverse effects on the degradation of environmental quality and human health [3]. Due to its composition and characteristics, it has adverse effects on humans, plants, and animals
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