ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners.
As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.
This report summarizes the analysis procedures and concepts used by the highway research community to design roadside safety appurtenances. The concepts of momentum, kinetic energy and work are presented. Applications to the design of impact attenuators, breakaway hardware, and longitudinal barriers are discussed. The objective of the report is to present the state of the practice in applying mechanics to the design of roadside safety appurtenances.
act In response to feedback obtained from field crews, TxDOT routinely assesses the performance of its breakaway sign support systems and identifies a...
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