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                Ohio DOT Implements New Roadway Safety Management Process with AASHTOWare SafetyAnalystTM
**Publication Year:** 
            2011
    
        Original publication: Highway Safety Manual Case Study 2: Implementing a New Roadway Safety Management Process with *AASHTOWare Safety AnalystTM* in Ohio

ODOT's use of *AASHTOWare Safety AnalystTM* (SA) allowed it to develop multiple screening methods in the network screening process resulting in greater identification of rural corridors and projects.

Issue

Application of the Highway Safety Manual (HSM) and related safety data tools.

Key Accomplishments

“Ohio DOT is excited about the opportunities that SA provides the highway safety engineering community by allowing the end users to easily perform network screenings and countermeasure evaluations with a high level of statistical rigor.”

– Jonathan Hughes, ODOT

Establishing a process that advances the capacity to perform roadway safety analysis while also shortening the time needed to conduct the analysis.
	Improving data collection and data quality.
	Working with IT staff (a crucial step) to ensure hardware and software needs were met in all offices.Results

Applying various HSM screening methods identified ways to overcome some of the limitations of existing practices. For example, the agency's previous mainframe methodology typically over-emphasized urban “sites of promise,” or those locations identified for further investigation and potential countermeasure implementation.

Benefits

The extensive data gathering effort increased output reliability, allowing the agency to direct safety funds to locations where transportation improvements have the greatest potential to reduce severe (fatal and injury) crashes.
	A big advantage of *AASHTOWare Safety AnalystTM*—in comparison to the previous mainframe process—is the ability to quickly apply the more sophisticated screening methods within the HSM."map of Ohio with highway segments colored to show expected and excess crashes"**Figure 1: GIS Display of Expected and Excess Crashes for Highway Segments**



Contact

Jonathan Hughes, P.E.
Ohio Department of Transportation
(614) 466-4019Jonathan.Hughes@dot.state.oh.us U.S. DEPARTMENT OF TRANSPORTATION

**Federal Highway Administration**

1200 NEW JERSEY AVENUE, SE

WASHINGTON, DC 20590

202-366-4000Subscribe to email updates
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