 As a part of its duties in maintaining this highway, ODOT tracks the volume of traffic using it by a metric called the average annual daily traffic (AADT).This measurement determines the amount of traffic utilizing a particular stretch of the roadway on a typical day of the year.A 2008 AADT report shows that the busiest stretch of SR 369 is the portion in the vicinity of the SR 4 interchange, at the Lower Valley Pike transition, where typically 2,900 passenger vehicles and 220 commercial vehicles use the highway on a daily basis.