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Updated 8:00 AM EST, April 15, 2008
Deployment Statistics
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Road Condition Hazards Detected by the Environmental Road Hazard Warning System
2004 National Summary
Number of States Surveyed / Returned Survey
States with Deployed Systems
Number of States Reporting Systems that Detect the Following Types of Hazards
Ice on Bridge
Icy Road
Wet Road
Obstructions on Road
Flooding
50 / 46
22
12
12
6
0
2
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.
State
Total Number of Deployed Systems
Detects the Following Types of Hazards
Ice on Bridge
Icy Road
Wet Road
Obstructions on Road
Flooding
Alabama
1
No
No
No
No
No
Alaska
0
Arizona
0
Arkansas
0
California
26
Yes
Yes
No
No
No
Colorado
3
Yes
No
No
No
No
Connecticut
0
Delaware
0
N/R*
N/R*
N/R*
N/R*
N/R*
Florida
0
Georgia
1
No
No
No
No
No
Hawaii
0
Idaho
2
No
Yes
No
No
No
Illinois
N/R*
N/R*
N/R*
N/R*
N/R*
N/R*
Indiana
N/R*
N/R*
N/R*
N/R*
N/R*
N/R*
Iowa
1
Yes
No
No
No
No
Kansas
0
Kentucky
0
Louisiana
1
No
No
No
No
No
Maine
0
Maryland
60
Yes
Yes
Yes
No
No
Massachusetts
0
Michigan
0
Minnesota
88
Yes
Yes
No
No
No
Mississippi
N/R*
N/R*
N/R*
N/R*
N/R*
N/R*
Missouri
1
Yes
Yes
Yes
No
No
Montana
60
Yes
Yes
Yes
No
No
Nebraska
0
Nevada
3
No
Yes
No
No
No
New Hampshire
0
New Jersey
31
Yes
Yes
Yes
No
No
New Mexico
0
New York
4
Yes
Yes
Yes
No
No
North Carolina
2
No
Yes
No
No
No
North Dakota
0
Ohio
0
Oklahoma
0
Oregon
5
No
No
No
No
Yes
Pennsylvania
N/R*
N/R*
N/R*
N/R*
N/R*
N/R*
Rhode Island
0
South Carolina
1
No
No
No
No
No
South Dakota
0
Tennessee
1
No
No
No
No
No
Texas
37
Yes
Yes
No
No
Yes
Utah
11
Yes
Yes
Yes
No
No
Vermont
0
Virginia
N/R*
N/R*
N/R*
N/R*
N/R*
N/R*
Washington State
0
West Virginia
1
No
No
No
No
No
Wisconsin
0
Wyoming
1
Yes
No
No
No
No
50 States * N/R = No response