One million square feet may sound like a lot, but it's hardly anything. For an eight lane highway at 12 ft per lane, plus two additional lanes' worth of shoulde

One million square feet may sound like a lot, but it's hardly anything. For an eight lane highway at 12 ft per lane, plus two additional lanes' worth of shoulder, that's only a ~8,333 ft length of road. 1000000 / (12 * 10) = 8333.3 (repeating of course)