INVESTIGATION OF LANE OCCUPANCY AS A CONTROL VARIABLE FOR A SAFETY WARNING SYSTEM FOR URBAN FREE-WAYS
LANE OCCUPANCY WAS EVALUATED AS A TRAFFIC VARIABLE FOR DIGITAL COMPUTER CONTROL OF A SAFETY WARNING SYSTEM FOR URBAN FREEWAYS. PERFORMANCE CHARACTERISTICS WERE STUDIED OF MEASURED LANE OCCUPANCY AS AN INDICATOR OF SHOCK WAVES RESULTING FROM FREEWAY INCIDENTS. A CONTROL STRATEGY WAS DEVELOPED, PROGRAMMED, AND EVALUATED FOR DIGITAL COMPUTER OPERATION OF THE WARNING SYSTEM. COMPARISONS WERE MADE WITH ENERGY AS A CONTROL VARIABLE. BASED ON THE RESULTS OF THIS RESEARCH A NEW CONTROL ALGORITHM WAS DEVELOPED INCORPORATING THE BEST PERFORMANCE FEATURES OF OF BOTH ENERGY AND LANE OCCUPANCY.
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Supplemental Notes:
- Contract 2-18-72-165
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Corporate Authors:
Texas Transportation Institute
Texas A&M University System, 1600 E Lamar Boulevard
Arlington, TX United States 76011 -
Authors:
- Dudek, C L
- Messer, C J
- Friebele, J D
- Publication Date: 1973-3
Media Info
- Pagination: 53 p.
Subject/Index Terms
- TRT Terms: Computer programming; Control; Freeways; Lane occupancy; Safety; Shock waves; Traffic flow; Traffic surveillance; Urban highways; Warning systems
- Old TRIS Terms: Controller characteristics
- Subject Areas: Highways; Operations and Traffic Management; Safety and Human Factors;
Filing Info
- Accession Number: 00219789
- Record Type: Publication
- Source Agency: Federal Highway Administration
- Report/Paper Numbers: Interim
- Files: TRIS, USDOT
- Created Date: May 24 1974 12:00AM