See also:

Maximum permissible tire pressure
Maximum permissible tire pressure for one tire. ...

Traction
Traction is the result of friction between the tires and the road surface. ...

DOT, Tire Identification Number (TIN)
U.S. tire regulations prescribe that every manufacturer of new tires or retreader has to imprint a TIN in or on the sidewall of each tire produced. The TIN is a unique identification number. ...