Nope, don't think I will. I'll use the census numbers. The information is available to, and used by millions of people in this country and around the world.
You do. Twice, at least, in the case for traffic flow. Have you ever seen the the air hoses laying across the road recording the number of cars going over it to calculate traffic flow? That's got to be paid for as it's part of a study. And, now the census is purportedly doing the very same thing. Except in the case of the census they don't ask what route you take so how is the information applicable to traffic planning?
This is intrusive at best and the genesis of "central planning" at worst.