On average each day in 2013 , 10,682 vehicles use the business loop near the southern I - 75 interchange .
15,399 vehicles do so between the M - 55 junction and 5th Street in downtown West Branch , the lowest and highest traffic counts .
On average each day in 2013 , 10,682 vehicles use the business loop near the southern I - 75 interchange , and 15,399 vehicles do so between the M - 55 junction and 5th Street in downtown West Branch , the lowest and highest traffic counts .