Cost-Effectiveness and Safety of Alternative Roadway Delineation Treatments for Rural Two-Lane Highways. Vol. III Appendix A, Site Selection and Data Collection
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1978-04-01
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Edition:Final Report
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Abstract:Under this research study, the effect of various delineation treatments on accident rates was assessed by analyzing accident data from more than 500 roadway sites in 10 States for tangent, winding and isolated horizontal curve sections on two-lane rural highways. Cost-benefit and cost models for evaluating specific delineation treatments were developed and guidelines formulated by executing the cost-benefit models for selected delineation treatments. This Volume presents details on the site selection and data collection processes. Included are criteria for inclusion of sites in the study and identification of data elements and collection techniques. Recommendations for process improvements are also provided.
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