Metals in combined conventional and vegetated road runoff control systems

H. Pontier, J. Williams, Eric May

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Combined conventional and vegetated runoff treatment systems were installed on the rural Newbury Bypass in Southern England, which was estimated to carry an average daily traffic of 30,000 vehicles. The system components were arranged in series to give progressive pollutant removal, comprising an oil separator, sediment trap, grassy slope and constructed wetland. In the absence of specific design criteria for road runoff control, the system design was based on available guidance notes. Since the road opened, an 18-month monitoring programme has examined the performance of these systems. Early indications are that the systems, and especially the wetlands, promote removal of suspended solids (>1.2 m) and effectively trap fine (
    Original languageEnglish
    Pages (from-to)607-614
    Number of pages8
    JournalWater Science and Technology
    Volume44
    Issue number11-12
    Publication statusPublished - 2001

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