TRB's National Cooperative Highway Research Program (NCHRP) Report 490: In-Service Performance of Traffic Barriers presents the findings of a research project to develop a practical procedures manual for conducting in-service performance evaluations of roadside barriers.
National Academies of Sciences, Engineering, and Medicine. 2003. In-Service Performance of Traffic Barriers. Washington, DC: The National Academies Press. https://doi.org/10.17226/21950.
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