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Authors:
Dean L Sicking; Karla A Lechtenberg; Scott Peterson; Transportation Research Board
Authoring Organizations
Description:
TRB's National Cooperative Highway Research Program (NCHRP) Report 638: Guidelines for Guardrail Implementation explores guidance on selecting the appropriate barrier performance level for the installation of longitudinal barriers.
The following appendices to NCHRP Report 638 are only available online.
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