Abstract
The purpose of this paper is to prepare prioritized rankings of recommended improvements that could be implemented for the Interstate Safety Improvement Program in Kentucky. Considerable detail is presented that documents analysis procedures used to determine sites, sections, and elements of the roadway in need of improvement. The average number of accidents per interchange, bridge, 1.6-km (1.0-mile) section, and 0.48-km (0.3-mile) spot was summarized for large urban, medium urban, and rural sections of the Interstate system. At specified levels of statistical significance, critical numbers of accidents and critical accident rates were calculated to assist in identifying high-accident locations. A limited field inventory of the Interstate system was conducted, and the results are incorporated into the program. Dynamic programming was used to develop prioritized rankings for safety improvements that totaled approximately $27,500,000. A user's guide for preparation of a safety improvement program was developed. (Author)
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