INVESTIGATION OF TRAFFIC DYNAMICS BY AERIAL PHOTOGRAMMETRY TECHNIQUES
THIS REPORT DOCUMENTS THE PROGRESS THE PROGRESS MADE DURING THE REPORTING PERIOD IN A CONTINUING RESEARCH PROJECT AIMED AT IMPROVING AND SIMPLIFYING AN AERIAL PHOTOGRAMMETRY TECHNIQUE FOR PRACTICAL APPLICATION IN HIGHWAY DESIGN AND TRAFFIC OPERATIONS. THE REPORT IS DIVIDED INTO TWO PARTS. PART I DESCRIBES THE RESULTS OF A STUDY UNDERTAKEN FOR THE PURPOSE OF DEVELOPING AN IMPROVED MODEL RELATING AVERAGE SPEED AND TRAFFIC DENSITY. THE PROPOSED MODEL IS MULTI-LINEAR IN FORM AND CONSISTS OF SIX INDIVIDUAL LINE SEGMENTS. PART II PRESENTS A SUMMARY OF TWO PILOT STUDIES IN WHICH AERIAL SURVEY TECHNIQUE WAS USED TO INVESTIGATE PROBLEMS OF FREEWAY OPERATION DURING THE MORINIG AND EVENING PEAK FLOW PERIODS. THE FINAL OUTPUT OF EACH STUDY IS IN THE FORM OF PEAK HOUR FREEWAY CONTROL STRATEGY BASED ON FIXED-TIME RAMP METERING.
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Supplemental Notes:
- RPT NO EES 278-4
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Corporate Authors:
Ohio State University, Columbus
190 North Oval Drive
Columbus, OH United States 43210 - Publication Date: 1972-10
Media Info
- Features: Figures; References; Tables;
- Pagination: 281 p.
Subject/Index Terms
- TRT Terms: Aerial photography; Freeway operations; Interchange ramps; Peak hour traffic; Photogrammetry; Pretimed traffic signal controllers; Ramp metering; Traffic density; Traffic flow; Traffic speed
- Old TRIS Terms: Freeway ramps
- Subject Areas: Highways; Operations and Traffic Management;
Filing Info
- Accession Number: 00228464
- Record Type: Publication
- Report/Paper Numbers: Intrm Rpt
- Files: TRIS
- Created Date: May 24 1974 12:00AM