Other organizations opposed to bigger trucks:
- International Association of Chiefs of Police
- National Association of Police Organizations
- National Sheriffs’ Association
- National Troopers Coalition
- Western States Sheriffs’ Association
- National Association of Emergency Medical Technicians
- AAA
- Institute for Safer Trucking
- Brain Injury Association of America
- American Public Works Association
- National Association of Counties
- National Association of County Engineers
- National Association of Towns and Townships
- National League of Cities
- The United States Conference of Mayors
- General Federation of Women’s Clubs
- Owner-Operator Independent Drivers Association
- Towing and Recovery Association of America
- International Brotherhood of Teamsters
- SMART Transportation Division
- American Short Line and Regional Railroad Association
- Association of American Railroads
- National Railroad Construction and Maintenance Association
- Railway Engineering-Maintenance Suppliers Association
- Railway Supply Institute