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Report Number: WBS: 25-1121-0003-140 The majority of crash fatalities in the United States occur along rural roadways. These roadways typically have low volumes and widespread crashes. In other words, no one location generally has an unexpectedly high number of crashes. Systemic safety tools/methodologies can be used in this type of situation because they evaluate and […]
Cindy Galli, ABC News Transportation officials in two states said they are halting the use of a widely-installed guardrail end terminal that was the subject of an ABC News investigation while they further investigate potential safety hazards. “Our internal observations, as well as our review of available information, indicates to us the ET-Plus guardrail end […]
Bryan Henry, WSFA 12 News MONTGOMERY, AL (WSFA) – The Alabama Department of Transportation’s 7 overhead message boards have been installed and now will feature drive times to help with motorists commutes. The high-tech digital boards also display messages ranging from Amber Alerts to weather-related situations. DOT says there will be 7 message boards and […]
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2389 consists of seven papers that explore driver yielding behavior to pedestrians; emissions estimation at multilane roundabouts; the safety effects of converting intersections to roundabouts; predictions of capacity for roundabouts; the influence of sight distance on crash rates and operating speeds; roundabout critical headway […]
Michael Turnbell, Sun Sentinel The latest way to stop speeders in South Florida? Trick them with an optical illusion. The “magic” involves marking a road with hash marks, similar to those on a football field. With the lines spaced at gradually closer intervals, drivers get the illusion they’re going faster than they really are — […]
Lydia Seabol Avant, Tuscaloosa News TUSCALOOSA | The Tuscaloosa County Commission could soon adopt a policy to regulate where speed tables can be placed. There is no policy or process regulating speed tables in unincorporated areas of Tuscaloosa County. Currently, county commissioners propose placing the tables based on requests from their constituents. The requests then […]
Report Number: FHWA/VCTIR 12-R8 To incorporate safety into the regional planning process, a Virginia-specific resource guide was recently developed for use by districts of the Virginia Department of Transportation (VDOT) and planning district commissions (PDCs). In order to determine how to enhance the implementation of the guide throughout Virginia, a pilot implementation of the guide […]
This article describes the CORRECT (Cost/Benefit Optimization for the Reduction of Roadway Environment Caused Tragedies) system which has been used by the Alabama Highway Department Accident Identification and Surveillance Section for over 15 years. In 1988, the system was enhanced by replacing the dynamic programming algorithm of optimization by a branch-and-bound algorithm which is easier […]