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- W562319780 abstract "Pavement markings on highways are often taken for granted by motorists and only noticed when they fail to do their job. Highway administrators, on the other hand, are tasked with understanding the materials that are used to create the pavement markings. The objectives of this research are to gain an understanding of the relationship between measured retroreflectivity and exposure to elements including length of exposure, traffic, rain and snow. The weather exposure relationships from this study are unique and represent a new set of information regarding retroreflectivity duration. In order to pursue this research, eight sites were selected in geographically diverse parts of the state of Maryland. The relationship between waterborne paint pavement markingsi¯ retroreflectivity and exposure variables were estimated using multivariate regression techniques. The resulting predicted retroreflectivity measures are compared to the thresholds of each paint type for different speed limits. This comparison yields a service life for different pavement marking types under different exposure conditions. As results, the inclusion of precipitation and snowfall leads to a better fit with the data and better predicted retroreflectivity service life expectancy. The R-Squares were roughly double those of most previous studies. In addition, we are able to show how different pavement marking colors have different service life durations under different climatic and traffic conditions. The inclusion of weather variables combined with the more sophisticated regression analysis allows us to present these service life durations." @default.
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- W562319780 date "2008-01-01" @default.
- W562319780 modified "2023-09-27" @default.
- W562319780 title "Retroreflectivity and Life Cycle Study of Waterborne Paint Pavement Markings: Case Study for the State of Maryland" @default.
- W562319780 hasPublicationYear "2008" @default.
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