Skip to Content Skip to Search Skip to Left Navigation U.S. Department of Transportation (US DOT) Logo Research and Innovative Technology Administration (RITA) Logo University Transportation Centers
spacer
  ABOUT RITA | CONTACT US | PRESS ROOM | CAREERS | SITE MAP
spacer
spacer
Bureau of Transportation Statistics
Intelligent Transportation Systems
ITS Knowledge
Resources:
National Transportation Library
Research Development & Technology
Transportation Safety  Institute
Volpe National Transportation Systems Center
spacer
spacer spacer
Updated 8:00 AM EST, April 15, 2008
 Deployment Statistics        


Crash Prevention and Safety Number of Environmental Road Hazard Warning Systems at Specific Road Classifications

2004 National Summary


Number of States Surveyed / Returned SurveyStates with Deployed SystemsTotal Number of Deployed SystemsNumber of Systems Located at the Following Road Classifications
Freeway or Other Limited Access HighwayOther Multi-lane Highway (non-limited access)2-Lane Highway
50 / 46223411465965

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 SystemsNumber of Systems Located at the Following Road Classifications
Freeway or Other Limited Access HighwayOther Multi-lane Highway (non-limited access)2-Lane Highway
Alabama11N/R*N/R*
Alaska0   
Arizona0   
Arkansas0   
California26211111
Colorado33N/R*N/R*
Connecticut0   
Delaware0N/R*N/R*N/R*
Florida0   
Georgia11N/R*N/R*
Hawaii0   
Idaho21N/R*1
IllinoisN/R*N/R*N/R*N/R*
IndianaN/R*N/R*N/R*N/R*
Iowa1100
Kansas0   
Kentucky0   
Louisiana11N/R*N/R*
Maine0   
Maryland6030255
Massachusetts0   
Michigan0   
Minnesota88N/R*N/R*N/R*
MississippiN/R*N/R*N/R*N/R*
Missouri11N/R*N/R*
Montana6020139
Nebraska0   
Nevada321N/R*
New Hampshire0   
New Jersey311021N/R*
New Mexico0   
New York44N/R*N/R*
North Carolina22N/R*N/R*
North Dakota0   
Ohio0   
Oklahoma0   
Oregon51N/R*4
PennsylvaniaN/R*N/R*N/R*N/R*
Rhode Island0   
South Carolina11N/R*N/R*
South Dakota0   
Tennessee11N/R*N/R*
Texas3737N/R*N/R*
Utah11704
Vermont0   
VirginiaN/R*N/R*N/R*N/R*
Washington State0   
West Virginia11N/R*N/R*
Wisconsin0   
Wyoming1001
 50 States      * N/R = No response