Michigan Department of TransportationThe Annual Average Daily Traffic (AADT) is the estimated mean daily traffic volume and the Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles. For continuous sites, estimates are calculated by summing the Annual Average Days of the Week and dividing by seven. For short-count sites, estimates are made by factoring a short count using Seasonal and Axle (if applicable) day-of-week adjustment factors. Data Coverage: The dataset covers the entire Federal Aid System in the State of Michigan Update Cycle: AADT & CAADT volumes are created and released every year. Transportation Data Management System (TDMS) AADT Calculation Help Traffic Monitoring ProgramArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/9a96f98e20c24271b896537f9a1ff3ca_1engState of Michigan Open Data PortalPublic2024 Traffic Volumes [Michigan]Web servicesMichigan2024