MEANS OF EVALUATING INTERSECTION IMPROVEMENT

IN RURAL AREAS INTERSECTIONS BELOW THE STOP-AND-GO LEVEL HAVE GENERALLY BEEN TREATED HAPHAZARDLY, AND WITH STARTLING LACK OF UNIFORMITY. THE OBJECT OF THE PRESENT STUDY IS TO EVALUATE VARIOUS METHODS OF CONTROL FOR LOW-VOLUME INTERSECTIONS AND TO EXPRESS GRAPHICALLY EMPIRICAL WARRANTS FOR THEIR USE. SEVERAL GENERALLY USED INTERSECTION TREATMENTS HAVE BEEN SELECTED AND PLACED, IN WHAT SEEMS TO BE THEIR PROPER ORDER OF IMPORTANCE. THESE TREATMENTS INVOLVE THE USE OF TWO-WAY AND 4-WAY STOP SIGNS, OVERHEAD SUSPENSION-TYPE FLASHING BEACONS, AND PART-TIME STOP-AND-GO SIGNALS. THEY ARE INTENDED FOR USE SINGLY OR IN COMBINATION, AND CONSTITUTE A GROUP OF PROPOSED TRAFFIC CONTROLS. IN EVALUATING THESE CONTROLS TWO MAJOR WARRANTS HAVE BEEN CONSIDERED: "VEHICULAR VOLUME" AND "INTERRUPTION OF CONTINUOUS TRAFFIC." ADDITIONAL CONSIDERATION HAS BEEN GIVEN TO THE RELATIVE PERCENTAGES OF VEHICULAR TRAFFIC VOLUME ORIGINATING ON EACH OF THE TWO INTERSECTING ROUTES. GRAPHICALLY REPRESENTED WARRANTS FOR EACH OF THE PROPOSED TRAFFIC CONTROL TREATMENTS ARE GIVEN IN CHART FORM, FOR QUICK REFERENCE. SINCE THE BASES FOR ESTABLISHING AND LIMITING SUCH WARRANTS HAVE BEEN DETERMINED FROM SOMEWHAT LIMITED FACTUAL AND SCIENTIFIC DATA, THEY SHOULD BE CONSIDERED MERELY AS SUGGESTIONS AND NOT AS ULTIMATE ANSWERS. NEVERTHELESS, RESULTS FROM SUCH INSTALLATIONS HAVE BEEN PROMISING. /AUTHOR/

• Supplemental Notes:
  • Vol 18, No 3, PP 15-22, 1 FIG, 2 TAB
• Authors:
  • Corder, L
• Publication Date: 1948-3

Media Info

• Serial:
  • Highway Research Abstracts
  • Publisher: Highway Research Board (HRB)

Subject/Index Terms

• TRT Terms: Intersections; Rural highways; Traffic control devices; Warrants (Traffic control devices)
• Subject Areas: Highways; Operations and Traffic Management;

Filing Info

• Accession Number: 00226241
• Record Type: Publication
• Files: TRIS, TRB
• Created Date: Jun 28 1972 12:00AM