Get Involved in the 4/32 Initiative
Meaningful reform requires collective action, as it is through the unified efforts of individuals, communities, and organizations that true change can be achieved. When people come together, sharing their insights and resources, the potential for impactful transformation increases significantly. By collaborating and supporting one another, they can address complex issues more effectively, ensuring that reforms are not only implemented but also sustained over time. In this way, collective action becomes a cornerstone of any successful reform initiative.


The 4/32 Initiative is a movement to replace outdated tire laws with safer, modern standards.
4/32 Initiative
For Lawmakers
Review existing standards and introduce legislation supporting a 4/32 minimum tread depth.
For Industry Leaders
Support education initiatives and align recommendations with modern safety data.
For Drivers and Families
Replace tires proactively and raise awareness in your community.
Support Our Mission
Advocacy, education, and research require partnership.
FAQ
Frequently Asked Questions About Tire Safety
What does 4/32 mean on a tire?
4/32 means the tire has four thirty-seconds of an inch of remaining tread depth. Tread depth affects braking, traction, and the ability to channel water away from the tire.How do I check my tire tread depth accurately?
Use a tread depth gauge to measure tread depth in multiple spots across the tire. Measuring in several grooves helps identify uneven wear.When should I replace my tires for better wet-weather safety?
For improved wet-weather braking and traction, many safety recommendations advise replacing tires around 4/32 of an inch, even if the legal minimum is lower.Do all states have the same tire tread depth laws?
Most states use a 2/32-inch legal minimum tread depth, but inspection requirements and enforcement vary by state.What is the 4/32 Initiative?
The 4/32 Initiative is an effort to modernize minimum tire tread depth standards to 4/32 of an inch to improve wet-weather performance and reduce hydroplaning-related risks.
The 4/32 Initiative raises tire safety standards to improve traction, reduce hydroplaning, and save lives.
4/32 Initiative
How You Can Help
Raising tire safety standards requires action from lawmakers, industry leaders, and everyday drivers.



