Using Data To Drive Down Fatalities Roseanne Nance Bureau of Safety Engineering Illinois Department of Transportation.

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Presentation transcript:

Using Data To Drive Down Fatalities Roseanne Nance Bureau of Safety Engineering Illinois Department of Transportation

Inconceivable Undertaking

Valuable Timely Accessible

Light at the end of the Data Tunnel Valuable Improved Available Data Located Fatal and A Local System Crashes Develop Local System Geometric Information Timeliness Entered and Located 30 – 60 days Availability Safety Data Mart External Web Portal 5% Reports and Maps Shared

But It’s Mine!

New and Improved Tools

Data Driven Fatal Crashes A-Inj Crashes Safety Performance Functions 5% - 100% Report Integrated Review of HSIP Projects Benefit-Cost Tool Highway Safety Manual Safety Analyst, IHSDM

Systematic and Site Improvements -Interstate Shoulder Milled Rumble Strips. -Interstate bridge pier and sign foundation protection. -Upgrade Guardrail to a higher much better crash performing system. -Upgrade non-crashworthy guardrail end sections with approved crash tested end sections. -Cable median -Curve improvements including chevrons and rumblestrips. -Rural highway shoulder paving with rumblestrips at strategic locations. -LED signal upgrades -Signal head per lane with back plates-Left. Turn flashing yellow -Yield bars at rural 4 lane highways -Pedestrian countdown signals.

Results

Lowest fatality numbers since 1921 Number of Fatal Crashes in Illinois by Year

Note: Information Systems for Decision Making emphasis area is not listed as it affects all fatalities “Alcohol Related” represents a subset of the emphasis area “Alcohol and Other Impaired Driving” NHTSA number of roadway departure fatalities could not be verified, 2008 numbers are lower than Illinois State Crash database

Roseanne Nance Illinois Department of Transportation Bureau of Safety Engineering 2300 S. Dirksen Parkway, Rm 323 Springfield, IL