The tripling of our population in the last 50 years may have something to do with it. Along with people with short attention spans, gadgets in their hands, short tempers, our high speed limits, and I rarely see cops catching speeders. Speed limits are supposed to be the limit, but here it's the minimum. 2 mph under the limit and you have angry people on your bumper. I notice the express toll lane on the Boulder turnpike is the autobahn lane. "If I'm payin' to to drive this, I can damn well go any speed I want."