U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
Definition: AADT value to represent the current data year. For two-way facilities, provide the AADT for both directions; provide the directional AADT if part of a one-way couplet or for one-way streets.
Attributes: Vehicles per day
HPMS/Tool Requirements: HPMS (Full Extent and Ramps), HSM/IHSDM (Required), SafetyAnalyst (Required)