road pricing
US /roʊd ˈpraɪ.sɪŋ/
UK /roʊd ˈpraɪ.sɪŋ/

1.
a system where drivers are charged for using certain roads, especially at peak times, to reduce traffic congestion and pollution
:
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London has implemented road pricing to manage traffic in the city center.
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Many cities are considering road pricing as a solution to urban congestion.