EVALUATION OF CRITERIA FOR SAFETY IMPROVEMENTS ON THE HIGHWAYS

PROCEDURES FOR GENERATING LISTS OF HAZARDOUS LOCATIONS ARE DESCRIBED AND METHODS PRESENTED FOR FORECASTING THE EXPECTED PERCENT REDUCTIONS IN ACCIDENTS TO BE EXPECTED FOR THE VARIOUS TYPES OF SAFETY IMPROVEMENT PROJECTS. METHODS ARE PRESENTED FOR ESTIMATING THE COSTS FOR EACH OF THE VARIOUS TYPES OF SAFETY IMPROVEMENT PROJECTS, CONVERTING THE FORE- CASTED ACCIDENT REDUCTIONS DESCRIBED INTO THE EXPECTED SAFETY BENEFITS OF EACH OF THE VARIOUS TYPES OF SAFETY IMPROVEMENT PROJECTS, AND EVALUATING THE RELATIVE MERITS OF COMPETING HIGHWAY SAFETY IMPROVEMENT PROJECTS. THE BASES FOR AND DESCRIPTIONS OF PROCEDURES AND METHODS FOR EVALUATING THE RELATIVE MERITS OF COMPETING HIGHWAY SAFETY IMPROVEMENT PROJECT COSTS AND BENEFITS ARE PRESENTED. EXAMPLES ARE GIVEN WHICH ILLUSTRATE HOW THE COSTS AND BENEFITS ARE ESTIMATED AND HOW THE RELATIVE MERITS OF ALTERNATE PROJECTS ARE EVALUATED. A COMPARISON IS PRESENTED OF THE OBSERVED LEVELS OF COSTS AND BENEFITS FOR SPOT IMPROVEMENT PROJECTS AND MODERNIZATION PROJECTS IS PRESENTED. CURRENT METHODS OF COST-BENEFIT ANALYSIS USED ARE REVIEWED. A HIGHWAY ACCIDENT RECORD SYSTEM FOR USE IN THE EVALUATION PROCEDURE IS RECOMMENDED.

• Corporate Authors:

  Jorgensen (Roy) and Associates

  17 Firstfield Road
  Gaithersburg, MD  United States  20760

  Westat, Incorporated

  Research Division, 11600 Nebel Street
  Rockville, MD  United States  20852
• Publication Date: 1966

Subject/Index Terms

• TRT Terms: Benefit cost analysis; Crash reports; Design; Highway design; Highway safety; Prevention; Recording; Safety
• Uncontrolled Terms: Design criteria
• Old TRIS Terms: Recording systems
• Subject Areas: Design; Highways; Safety and Human Factors; Security and Emergencies;

Filing Info

• Accession Number: 00219956
• Record Type: Publication
• Source Agency: Bureau of Public Roads /US
• Files: TRIS
• Created Date: Mar 12 1994 12:00AM