OREGON FOG HAZARD STUDY - INTERIM REPORT

THE EFFECTIVENESS OF VARIABLE MESSAGE SIGNS IS INVESTIGATED IN CONTROLLING TRAFFIC ON AN INTERSTATE HIGHWAY DURING PERIODS OF HAZARDOUS DRIVING CONDITIONS SUCH AS FOG, VEHICLE ACCIDENTS, OR CONGESTION. THE SIGNS, ARE BEING MEASURED QUANTITATIVELY BY USE OF ACCIDENT RECORDS, VEHICULAR SPEEDS, AND HEADWAYS BASED ON DATA AVAILABLE, INTERVIEWS WITH THE STATE POLICE, AND VISUAL OBSERVATION OF VEHICULAR OPERATIONS, IT APPEARS THAT THE SIGNS ARE EFFECTIVE IN CONTROLLING TRAFFIC OPERATIONS AND THEREBY PREVENTING ACCIDENTS DURING PERIODS OF REDUCED VISIBILITY DUE TO FOG. /AUTHOR/

• Corporate Authors:

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590

  Oregon State Highway Division

  ,    
• Publication Date: 0

Subject/Index Terms

• TRT Terms: Driving; Fog; Headways; Prevention; Safety; Signs; Speed; Traffic control; Visibility
• Uncontrolled Terms: Driving conditions
• Subject Areas: Highways; Operations and Traffic Management; Safety and Human Factors; Security and Emergencies;

Filing Info

• Accession Number: 00225005
• Record Type: Publication
• Source Agency: Federal Highway Administration
• Report/Paper Numbers: No 5149-602-08
• Files: TRIS, USDOT, STATEDOT
• Created Date: Jan 31 1972 12:00AM