Splash and Spray Assessment Tool Development Program: Final Report

dc.contributorTRL Ltd.en
dc.contributorVirginia Center for Transportation Innovation and Researchen
dc.contributorCenter for Sustainable Transportation Infrastructureen
dc.contributorApplied Pavement Technology, Inc.en
dc.contributorNottingham Transportation Engineering Center, University of Nottinghamen
dc.contributorCenter for Infrastructure-based Safety Systemsen
dc.contributor.authorFlintsch, Gerardo W.en
dc.contributor.authorTang, Lijieen
dc.contributor.authorKaticha, Samer W.en
dc.contributor.authorde León Izeppi, Edgaren
dc.contributor.authorViner, Helenen
dc.contributor.authorDunford, Alanen
dc.contributor.authorNesnas, Kamalen
dc.contributor.authorCoyle, Fionaen
dc.contributor.authorSanders, Peteren
dc.contributor.authorGibbons, Ronald B.en
dc.contributor.authorWilliams, Brian M.en
dc.contributor.authorHargreaves, Daviden
dc.contributor.authorParry, Tonyen
dc.contributor.authorMcGhee, Kevin K.en
dc.contributor.authorLarson, Roger M.en
dc.contributor.authorSmith, Kelly L.en
dc.description.abstractThe effects of vehicle splash and spray are well known to motorists who have driven in wet weather conditions. Research suggests that splash and spray contribute to a small but measurable portion of road traffic accidents and are the source of considerable nuisance to motorists. Splash and spray from highway pavements also can carry a number of pollutants and contaminants. When deposited, these contaminants can be poisonous to plant life and accelerate the corrosion of roadway appurtenances. Splash and spray are individually definable processes that are the product of a number of different factors. Many parties have gone to great lengths to reduce the splash and spray created by motor vehicles, especially that from heavy vehicles, by retrofitting devices that alter the vehicle’s aerodynamics. Another possible solution to the problem is to change the characteristics of the highway pavement. Previous research shows that pavement geometry, drainage, texture, and porosity all contribute to splash and spray generation, but the exact mechanisms are largely unknown. A model capable of predicting the splash and spray propensity of pavements can be used by highway engineers to support decisions in highway maintenance and design. The project objective was to develop a simple and practical assessment tool to characterize the propensity of highway sections to generate splash and spray during rainfall and the impact of splash and spray on road users. This report summarizes the development of the splash and spray model and its implementation in an easy-to-use, practical tool.en
dc.publisherVirginia Tech. Virginia Tech Transportation Instituteen
dc.relation.ispartofFHWA; DTFH61-08-C-0003en
dc.rightsIn Copyrighten
dc.titleSplash and Spray Assessment Tool Development Program: Final Reporten
dc.typeTechnical reporten
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