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Noteworthy Practices

Left Nav - HSA Learn Safety

Data- and Technology-Driven Strategic Guardrail Management Program


In Virginia, approximately two thirds of fatalities are the result of roadway departure crashes. Various national research studies indicate that having appropriate guardrail can produce a crash reduction factor of up to 40 percent for roadway departure crashes. Therefore, the repair, replacement, and/or upgrade of guardrail systems is critical to the safety of the traveling public.

(2019 National Roadway Safety Awards - Winner)

Application of High-Friction Surface Treatment in Winter Road Conditions


High Friction Surface Treatment (HFST) has been used widely across the US to treat road departure crashes at horizontal curves with wet road conditions as a contributing factor. However, South Dakota has five times more roadway departure crashes involving winter road conditions than wet road conditions, and discovered that HFST had not been tested as a treatment for this crash type. Moreover, one third of roadway departure crashes occur on horizontal curves, even though horizontal curves account for less than 10 percent of the system.

(2019 National Roadway Safety Awards - Winner)

Wrong-Way Driving Detection System


From 2004-2014, 91 people were killed in wrong-way crashes across Arizona. In the two years 2015 and 2016, the number of serious injuries and fatalities due to wrong-way drivers more than doubled, from 16 to 37, and amplified media attention brought new public concern to the issue. The crashes were following patterns—75 percent were occurring at night, most collisions occurred in left lanes between the hours of 10 P.M. and 3 A.M., and about 75 percent of the drivers were impaired. Highway safety officials realized more had to be done to reduce the risk associated with wrong-way drivers.

(2019 National Roadway Safety Awards - Winner)

US 63 Road Safety Assessment and Safety Improvements


In 2012, three at-grade intersections along US 63—a four-lane expressway in central Missouri—were identified for improvements by a multi-disciplinary team of engineers, technicians, law enforcement officers, and others who were performing Road Safety Assessments (RSA) on the route between Columbia, MO and the Iowa state border. The three intersections to be improved were those with the highest crash severity of the 11 initially studied: at Hinton Road north of Columbia in Boone County, Routes B and P near Clark in Randolph County, and Route M near Atlanta in Macon County. Among the numerous severe-injury crashes at these locations were four fatal collisions that took place prior to the sites being upgraded.

(2019 National Roadway Safety Awards - Winner)

Idaho Transportation Department Uses Interactive Web-based “Story Maps” to Support Robust Public Involvement


Background

Idaho is experiencing substantial growth in population. This, in turn, is placing new pressure on the State’s transportation systems, including infrastructure and safety. As the need for expanded transportation options increases, so does the potential impact of these projects on communities and stakeholders. Because of this, the need for public involvement in transportation operation, safety, and planning in Idaho is at an all-time high.

Virginia Uses SMART SCALE to Evaluate Safety Benefits of Proposed Projects


Background

To ensure the best use of limited transportation funds when selecting projects for the State’s long-range transportation plan, the Virginia Department of Transportation uses the SMART SCALE tool to help establish priorities. Transportation projects are scored on an outcome-based process that is transparent to the public and aids decision makers in making sound transportation investments.