Minimum tread depth for all 4 tires is 2/32"
in Illinois it is 4/32 front tires and 2/32 all tires
The minimum distance is the depth of the excavation...
It's not allowed. It is a violation of vehicle safety regulations. If you'd get caught out in rain they'd hydroplane real easily, that's why the law require a certain minimum tread depth.
The minimum tread depth for semi-truck tires, as regulated by the Federal Motor Carrier Safety Administration (FMCSA), is 4/32 of an inch for steer tires and 2/32 of an inch for drive and trailer tires. However, many safety experts recommend replacing tires when tread depth reaches 5/32 of an inch to ensure optimal traction and safety, especially in wet conditions. Regularly checking and maintaining tire tread depth is crucial for safe operation.
The minimum tread depth for tires is typically 2/32 of an inch (1.6 mm) in the United States, which is the legal limit for safe driving. However, many experts recommend replacing tires when the tread depth reaches 4/32 of an inch (3.2 mm) to ensure optimal traction, especially in wet conditions. Using a penny or quarter can help gauge tread depth; if you can see the top of Lincoln's head or Washington's head, it's time for new tires.
In the United States, standard passenger vehicle tires are required to have a minimum tread depth of 2/32 of an inch. However, for optimal safety, many experts recommend replacing tires when the tread depth reaches 4/32 of an inch, especially in wet conditions. It's important to regularly check tire tread depth to ensure safe driving performance.
All tires on vehicles driven in Missouri must be safe. There is no listed minimum tiretread depth or mention of tire grooving in the laws.
In the United States, the tread has to be 4/32 (3.17mm) or more on the front tires and 2/32 (1.58mm) or more on the back tires. rear tires can be retreaded but not the front "steer" tires.
2/32 of an inch in most parts of the USA. Local laws may vary.
4/32 on steer axle.2/32 on all others
In most parts of the USA it is 2/32 of an inch.