It is up to each State to set the minimum depth. Most use 2/32 (aka. 1.6 mm), CA and ID use 1/32, some set no limit.
AFAIK, there are no USDOT regs for non-commercial vehicles.
It is up to each State to set the minimum depth. Most use 2/32 (aka. 1.6 mm), CA and ID use 1/32, some set no limit. |