The daily traffic seasonally adjusted to compensate for the changing amounts of traffic at different times of the year.
The total volume passing a point or segment of a highway facility in both directions for 1 year divided by the number of days in the year.
(A.A.D.T) - The annualized average 24-hour volume of vehicles at a given point or section of highway. It is normally calculated by determining the volume of vehicles during a given period, and dividing that number by the number of days in that period. Also known as a "Traffic Count".
Measurement representing the total number of vehicles passing a given location each day. These counts can usually be obtained from your State Highway Department.
Measurement representing the total number of vehicles passing a specific highway location, based upon 24-hour counts taken over an entire year. Mechanical counts are adjusted to an estimate of annual average daily traffic figure, taking into account seasonal variance, weekly changes and other variables.
Annual average daily traffic, abbrevated AADT, is a term used primarily in transportation planning. It is the total volume of vehicle traffic in both directions of a highway or road for a year divided by 365 days. AADT is a useful and simple measurement of how busy the road is.