I understand that the red, yellow and green lines give a general idea of how bad traffic is on a road, but do they have any specific meaning, like red equals a 40-minute wait at a toll bridge? a. According to the Google Maps site, the colored lines representing traffic conditions on major highways refer to the speed at which one can travel on that road.
The oldest form of writing known to man is Cuneiform used in Mesopatamia.
Ancient Egyptians devised one of the earliest forms of writing, known as hieroglyphic writing. It was a rather complex form of symbols, some standing for consonants/syllable â¦ s and others for whole ideas, or determinatives.