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Updated 8:00 AM EST, April 15, 2008
 Deployment Statistics        


Crash Prevention and Safety Hazards Handled by Road Geometry Warning Systems

2004 National Summary


Number of States Surveyed / Returned SurveyStates with Deployed SystemsNumber of States with Systems Handling the Following Types of Hazards
Truck Roll OverTruck Roll Over - CurveTruck Roll Over - DownhillAll Vehicles Roll OverAll Vehicles Roll Over - CurveAll Vehicles Roll Over - Downhill
50 / 461310104553

2004 Statewide Summary

Click here to show only the States with the specified technology

Click on a hyperlinked column header to sort the data by the column value.

StateTotal Number of Deployed SystemsHandles the Following Types of Hazards
Truck Roll OverTruck Roll Over - CurveTruck Roll Over - DownhillAll Vehicles Roll OverAll Vehicles Roll Over - CurveAll Vehicles Roll Over - Downhill
Alabama0      
Alaska0      
Arizona0      
Arkansas0      
California1YesYesYesNoNoNo
Colorado39YesYesYesNoNoNo
Connecticut0      
Delaware0      
Florida0      
Georgia6YesYesNoYesYesNo
Hawaii0      
Idaho0      
IllinoisN/R*N/R*N/R*N/R*N/R*N/R*N/R*
IndianaN/R*N/R*N/R*N/R*N/R*N/R*N/R*
Iowa1NoNoNoNoNoNo
Kansas0      
Kentucky0      
Louisiana0      
Maine0      
Maryland3YesYesNoNoNoNo
Massachusetts0      
Michigan0      
Minnesota0      
MississippiN/R*N/R*N/R*N/R*N/R*N/R*N/R*
Missouri3YesYesNoNoNoNo
Montana0      
Nebraska0      
Nevada0      
New HampshireN/R*N/R*N/R*N/R*N/R*N/R*N/R*
New Jersey4NoNoNoYesYesYes
New MexicoN/R*N/R*N/R*N/R*N/R*N/R*N/R*
New York1YesYesNoNoNoNo
North Carolina0      
North Dakota0      
Ohio0      
Oklahoma0      
Oregon2YesYesYesYesYesNo
PennsylvaniaN/R*N/R*N/R*N/R*N/R*N/R*N/R*
Rhode Island0      
South Carolina60YesYesYesYesYesYes
South Dakota0      
Tennessee0      
Texas16YesYesNoNoNoNo
Utah0      
Vermont0      
VirginiaN/R*N/R*N/R*N/R*N/R*N/R*N/R*
Washington State0      
West Virginia0      
Wisconsin6YesYesNoNoNoNo
Wyoming1NoNoNoYesYesYes
 50 States      * N/R = No response