Dodge Grand Caravan 2014 Owner's Manual page 497

R = Construction code
— R means radial construction
— D means diagonal or bias construction
15 = Rim diameter in inches (in)
Service Description:
95 = Load Index
— A numerical code associated with the maximum load a tire can carry
H = Speed Symbol
— A symbol indicating the range of speeds at which a tire can carry a load corresponding to
its load index under certain operating conditions
— The maximum speed corresponding to the speed symbol should only be achieved under
specified operating conditions (i.e., tire pressure, vehicle loading, road conditions, and
posted speed limits)
EXAMPLE:
STARTING AND OPERATING 495
5