LOCATION OF MEDIAN OPENINGS OF DIVIDED HIGHWAYS

THIS STUDY HAS INVESTIGATED THE POSSIBILITY OF DETERMINING AN OPTIMUM MEDIAN OPENING SPACING FOR A FOUR-LANE UNDIVIDED HIGHWAY USING SAFETY /ACCIDENTS/, INTENSITY OF ROADSIDE DEVELOPMENT /ACCESS/ AND LEVEL OF SERVICE /TRAVEL TIME/ AS DEPENDENT FACTORS. A PRECISE OPTIMUM SPACING OF MEDIAN OPENINGS COULD NOT BE DERIVED. HOWEVER, ACCIDENT RATES, AND LEVEL-OF-SERVICE INDICES COULD BE PREDICTED FOR THE SITES STUDIED AND CAN BE APPLIED TO OTHER SITES WITH SIMILAR ROADWAY CHARACTERISTICS. A REGRSSSION MODEL UTILIZING ALL LOCATION TYPES WAS GENERATED TO PREDICT ACCIDENTS. AFTER STRATIFYING THE DATA WITH RESPECT TO LOCATION TYPES AND THEN GENERATING ADDITIONAL MODELS, IT WAS ASCERTAINED THAT INCREASED ACCURACY COULD BE OBTAINED IN THE PREDICTION. /AUTHOR/

  • Supplemental Notes:
    • Vol 37, No 7, PP 17-25
  • Authors:
    • Cribbins, P D
  • Publication Date: 1967-4

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Filing Info

  • Accession Number: 00203248
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jun 13 1994 12:00AM