A STUDY FOR THE SELECTION OF MAXIMUM SPEED LIMITS-FINAL REPORT

THIS STUDY RECOMMENDS A METHOD TO ESTABLISH MAXIMUM SPEED LIMITS BASED ON THE 85TH PERCENTILE OF TRAVEL SPEEDS. THE CONCLUSION IS SUPPORTED BY AN EXTENSIVE LITERATURE SEARCH AND ANALYSIS OF TRAFFIC FLOW DATA COLLECTED BY A UNIQUE COMPUTER-SENSOR SYSTEM. SUCH DATA INDICATE THAT RISK INCREASES WITH DEVIATION FROM MEAN SPEED. SUCH INCREASE IS MINIMAL UNTIL APPROXIMATELY THE 85TH PERCENTILE WHEN THE SLOPE OF THE RISK CURVE STARTS TO RISE SHARPLY. /IRPS/

• Supplemental Notes:
  • 4 Vols, RepT NO'S FM-11-7275-1, 2, 3, & 4, 498 PP, FIGS,
• Corporate Authors:

  Indiana University, Bloomington

  Institute for Research in Public Safety
  Bloomington, IN  United States  47401
• Authors:
  • JOSCELYN, K B
  • Jones, R K
  • Elston, P A
• Publication Date: 1970

Subject/Index Terms

• TRT Terms: Costs; Maximization; Percent; Physical distribution; Speed; Speed limits; Statistical analysis; Studies; Traffic crashes; Traffic speed; Travel
• Old TRIS Terms: Maxima; Percentiles; Speed studies
• Subject Areas: Data and Information Technology; Finance; Freight Transportation; Highways; Safety and Human Factors;

Filing Info

• Accession Number: 00221376
• Record Type: Publication
• Files: TRIS
• Created Date: Aug 8 1971 12:00AM