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.
I am not very familiar with what was the first book written, likely to be on a stone tablet in one of the ancient civilisations. In India, Sangam literature is supposed to be the oldest collection of written works inTamil language, dating back to almost 200â100 BC, none of which have survived today.