> 18,000,000 seems pretty high. That might be peak. I doubt >5% of the population is the driver (not passenger) in a vehicle all day.
True, that estimation may be peak load. Which is why I kept the total estimate of distinct drivers at 54m instead of the much more likely number of well above[0] that.
True, that estimation may be peak load. Which is why I kept the total estimate of distinct drivers at 54m instead of the much more likely number of well above[0] that.
0 - https://www.fhwa.dot.gov/policyinformation/pubs/hf/pl11028/c...