 The Georgia Department of Transportation average annual daily traffic (AADT) numbers for the year 2011 show some variety in the average daily traffic load numbers as the route travels north.The traffic load averages start at their high point on the route, with an average of 16,530 vehicles using the short stretch between SR 140 and the start of the Birmingham Highway portion.Those numbers then steadily decrease as SR 372 heads north, going from 9,390 initially down to just over 3,000 as Cherokee County approaches.