Roadside safety is becoming an increasingly important area of liability for manufacturers and State Departments of Transportation. Certification of acceptance under FHWA guidelines helps reduce potential liability and saves lives.

Federal

U.S. Department of Transportation - Federal Highway Administration (FHWA)
U.S. Department of Agriculture - Forest Service-Forest Products Laboratory (FPL)
National Cooperative Highway Research Program (NCHRP)
U.S. Postal Service (USPS)

State

Midwest States Regional Pooled Fund Program
Connecticut Department of Transportation
Idaho Department of Transportation
Iowa Department of Transportation
Kansas Department of Transportation
Minnesota Department of Transportation

Mn/DOT Standard Plates, Standard Plans and Road Design manuals
MnDOT's Bridge Website

Missouri Department of Transportation
Montana Department of Transportation
Nebraska Department of Roads
Nevada Department of Transportation
Ohio Department of Transportation
Port Authority of New York and New Jersey
South Dakota Department of Transportation
Texas Department of Transportation
Utah Department of Transportation
Wisconsin Department of Transportation
Wyoming Department of Transportation

Private Industry

Three D Traffic Works, Inc.
3M
Allied Tube & Conduit
Amick Associates, Inc.
ANRO Timber Products
APTEK, Inc.
Bayer Corporation
Buffalo Specialty Products
CC Enterprises - Traffic Control Specialists, Inc.
Cortina Tool and Molding, Co.
CYRO Industries
Designovations, Inc.
Dicke Tool Company
Dow Automotive
DP Sawyer Signs
Elrod Corporation
Gleason Signs
Geyer Signal
Gregory Corporation
Indianapolis Motor Speedway
Indy Racing League
Intellistrobe Safety Systems
Interstate Steel Co.
Jackson Products, Inc. (Services and Materials Co.)
Kansas Structural Composites, Inc.
Lang Products International, Inc.
Marketing Displays International
NASCAR
Owens-Corning
Plastic Safety Systems, Inc.
Rail Sciences
Reflexite Corporation
Remcon Plastics, Inc.
Road Systems, Inc.
Roo Guards, Inc (RGI)
Safety by Design, Inc.
Unistrut Corporation
Valmont Industries
Welch Products, Inc.

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