carpool lane
V for Vespucci.
If you mean a diamond on the lane, that means that that lane is for BICYCLISTS ONLY, if you mean as a shape of a sign such as a "slippery when wet" sign, that usually tells you important things. I looked it up in my "Virginia Driver's Manual" and it says a diamond shaped sign is a warning sign.
your rich
Rserved Lanes
It is the symbol for Sulfer or Sulpher.
symbol of purity.
The initials I-J indicate colour when describing a 'white' diamond, and indicate the diamond is slightly yellow.
White is a symbol of purity, innocence and holiness.
Low tire pressure.
There is insufficient information in the question to answer it properly. What do you mean by "diamond". Are we talking Pascal's Triangle. Are we talking a diamond shaped field of stars? What? Please restate the question.
14K nickel white
bhenchod