Annual average daily traffic (AADT) is the total volume of vehicle traffic on a highway or road for a year divided by 365 days. AADT is a useful and simple measurement of how busy a road is. The AADT traffic data can be used for:
The AADT Layer is a line layer that can be added to any Maptitude or TransCAD map. A size theme has already been added to the layer to help visualize the counts, but users can customize the layer any way they wish.
To learn about data availability in other GIS file formats (e.g., shapefile, KML, KMZ, GeoJSON), please contact a Caliper data expert today by emailing firstname.lastname@example.org or by calling us at +1 617-527-4700.
"I have a point layer of residences and a line layer of roads with traffic counts. I use the Overlay tool to calculate average traffic within 1,000 meters of each residence. All seems to work perfectly."