Vehicle traffic volumes for arterial streets in Seattle based on spot studies that have been adjusted for seasonal variation.
To provide a high level view of traffic volumes on major streets in Seattle, and compare changes from year to year.
The AAWDT count is a seasonally adjusted average weekday daily total of vehicle traffic for all lanes, i.e. total vehicles in both directions for one average 24-hour business day, Monday through Friday. Only selected arterial streets are included.