IMPROVING THE HIGHWAY SYSTEM BY UPGRADING AND OPTIMIZING TRAFFIC CONTROL DEVICES
An analysis was conducted to assess the effect of shifting program emphasis to promulgate traffic control device improvements on all public roads. Upgrading and optimizing the highway information system was evaluated in terms of human factors, safety, benefit-cost, and traffic engineering. It was found that those portions of the highway system not in compliance with the Manual on Uniform Traffic Control Devices (MUTCD) would experience significant safety benefits and improved system efficiency through upgrading to current standards. Among the factors leading to this conclusion are: (1) Traffic control device deficiencies can lead to driver error and accidents; (2) roads with the lowest level of MUTCD compliance generally experience disproportionately high accident rates; (3) studies show significant, positive safety and efficiency benefits and driver error reductions with traffic control device improvements; (4) if optimizing the total information system reduced accidents by 10 percent, a benefit-cost ratio of from 10:1 to 20:1 would be realized. It was recommended that emphasis be given to upgrading all traffic control devices to MUTCD standards and optimizing through positive guidance.
Washington, DC United States 20590
- Lunenfeld, H
- Publication Date: 1977-4
- Pagination: 77 p.
- TRT Terms: Benefit cost analysis; Control devices; Drivers; Economic factors; Errors; Highway safety; Highway traffic control; Highways; Human factors; Human factors engineering; Improvements; Information systems; Modernization; Optimization; Prevention; Programming (Planning); Recommendations; Roads; Safety; Standards; Traffic control devices; Traffic crashes; Traffic engineering; Traffic safety; Traffic signals; Urban areas
- Subject Areas: Economics; Highways; Operations and Traffic Management; Research; Safety and Human Factors; Security and Emergencies;
- Accession Number: 00155424
- Record Type: Publication
- Source Agency: National Technical Information Service
- Report/Paper Numbers: FHWA/TO-77/1 Final Rpt.
- Files: NTIS, TRIS, USDOT
- Created Date: Aug 4 1977 12:00AM