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.
Best Answer: Allegedly the oldest written document ever discovered is a Sumerian cuniform document (written on a clay tablet), and it is a recipe for beer. This claim has been made in a number of places (notably the Beer Institute of America), and is often repeated, though I have been unable to track down an original source for the claim.