Table 1-Inflation Pressure Measurement Correction for Heat
Average speed of vehicle in the previous hour | Minimum inflation pressure buildup | |
Tires with 1,814 kg (4,000 lbs.) maximum load rating or less | Tires with over 1,814 kg (4,000 lbs.) load rating | |
66-88.5 km/hr (41-55 mph) | 34.5 kPa (5 psi) | 103.4 kPa (15 psi). |
49 C.F.R. §393.75