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1 - 2 of 2 resultsSearch results for "random assignment"
In-Service Performance Evaluation of Guardrail End Treatments (2018)
National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; Policy Studies; Studies and Special Programs Division; Committee on In-Service Performance of Energy-absorbing W-beam Guardrail End Treatments
Transportation and Infrastructure
Estimating the Safety Effects of Work Zone Characteristics and Countermeasures: A Guidebook (2018)
National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Highway Research Program; Gerald L. Ullman; Michael Pratt; Michael D. Fontaine; Richard J. Porter; Juan Medina
Transportation and Infrastructure