As part of this role, ADOT surveys volumes of traffic on their highways. These surveys are most often presented in the form of annual average daily traffic (AADT), which is the number of vehicles that travel a road during an average day during the year.
In their work, ADOT collects information about traffic flow on their highways. This data is commonly presented in the form of annual average daily traffic (AADT), which indicates the typical number of vehicles that travel a specific road each day over an entire year.