This SAE Recommended Practice defines the best known techniques for evaluating peak and locked wheel braking traction. It covers an important phase of tire braking traction, namely, the wet or dry pavement straight ahead conditions. However, this is but a small portion of the whole field of tire traction. As test procedures are established for other phases of this complex study, additional supplementary procedures will be written. A discussion of this entire subject is contained in Appendix B to this recommended practice.
SAE J345-1969 history
2018SAE J345-2018 WET OR DRY PAVEMENT PASSENGER CAR TIRE PEAK AND LOCKED WHEEL BRAKING TRACTION
1969SAE J345A-1969 Wet or Dry Pavement Passenger Car Tire Peak and Locked Wheel Braking Traction
1969SAE J345-1969 WET OR DRY PAVEMENT PASSENGER CAR TIRE PEAK AND LOCKED WHEEL BRAKING TRACTION
1968SAE J345-1968 WET OR DRY PAVEMENT PASSENGER CAR TIRE PEAK AND LOCKED WHEEL BRAKING TRACTION