National Highway Traffic Safety Administration (NHTSA)

General Site
Vehicle Recalls and More
Crash Test Database

Other Governmental Sites

National Transportation Safety Board
National Technical Information Service
Code of Federal Regulations
Federal Motor Carrier Safety Regulations
AASHTO (State Highway & Transportation Officials)
U. S. Naval Observatory
National Weather Service
Ohio Revised Code
Pennsylvania Code
West Virginia Code
Kentucky Code
Indiana Code

Independent Organizations

Society of Automotive Engineers
American National Standards Institute
American Society of Mechanical Engineers
American Society of Civil Engineers
Institute of Transportation Engineers
NAPARS  (Accident Reconstruction Specialists)
AAAM (Automotive Medicine)
Insurance Institute for Highway Safety
SAE Accident Reconstruction Practices

University and Educational Sites and Technical Resources

University of Michigan Transportation Research Institute
Northwestern University Traffic Institute
Alldata – Vehicle Service Bulletins
Traffic Accident Reconstruction Origin
Motorcycle Data
Engineering Dynamics Corporation

Directories

Casualty Adjuster’s Guide
Find a Lawyer
Cincinnati Claims Association