"Traffic safety." . . "Science Applications International Corporation," . . "Rural roads United States Safety measures Handbooks, manuals, etc." . . "Rural highways." . . "Traffic safety United States Handbooks, manuals, etc." . . "Low-volume roads Safety measures." . . . . . . "Handbooks and manuals"@en . . "This manual provides information on the costs and benefits of safety treatments on high-risk rural roads (HRRR). Agencies can use this manual to determine the following information on the treatments: Safety benefits; Costeffectiveness comparison of safety treatments; Applicability of treatment deployment with respect to identified need; and Initial and reoccurring maintenance costs associated with countermeasure installation. In addition, this manual provides information on the decision-making process necessary to identify treatments."@en . . . . . . . . "Manual for selecting safety improvements on high risk rural roads"@en . . . . . . . . . . . . "Low-volume roads United States Safety measures Handbooks, manuals, etc." . . "United States. Federal Highway Administration. Office of Safety," . . . . "United States." . . "Rural roads Safety measures." . .