Patent ID: 7878414

Claim:
A graphic representation of symbols encoding data, the graphic representation comprising: a reference symbol having a top and a bottom, said reference symbol top and bottom defining opposing limits of a code line; at least one graphic symbol, representing encoded information regarding a static road condition for processing by a vehicle moving along a road, said at least one graphic symbol being disposed between said opposing limits of said code line; wherein said information is represented by a ratio of a height of each said graphic symbol to the height of said reference symbol and by each said symbol's position relative to said opposing limits of said code line; and wherein said reference symbol indicates a beginning of encoded information and a direction for decoding said encoded information; and, wherein one said graphic symbol, disposed spaced apart from another of said graphic symbols in said code line, represents one alphanumeric symbol; and two of said code symbols, disposed on said code line not spaced apart from one another, together represent another alphanumeric symbol.