5 05 2008

I find maps fascinating because of the information they tell us about our physical surroundings. One of my favorites is the view of earth’s lights at night. The US version clearly shows where the Interstate road system goes, and gives a very good idea of population density.

This map shows geographical features – the ridges and valleys of the eastern mountains and the courses of major rivers – as well as population density, by showing the roads connecting us all. While roads do cross mountains, they more frequently run along the valleys, and along the edges of rivers. And, of course, where people are most closely packed together there are the most roads.

So, check this out and see what you discover about where you live. Except for Kevin, who already knows that there are more square miles of empty land than there are people.

Road map of the US




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