New Jersey Department of TransportationThe New Jersey Department of Transportation collects traffic data at over 4300 station locations along all Interstate, U.S. , N.J. and County Routes throughout the State of New Jersey. This map represents the estimated Annual Average Daily Traffic (AADT) values based on the most current station data available. The AADT Flow layer data is displayed in six (6) groups, five (5) representing graduated AADT ranges and one (1) representing no station data. The traffic information is used for planning, design, maintenance and general administration of the roadway systems.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/3380b1ffc18c4b50bf3b786f8a2f94d2_0engNew Jersey Geographic Information Network (NJGIN) Open Data PortalPublicNew Jersey Annual Average Daily Traffic [New Jersey]Web servicesNew JerseyLast Modified: 2025-07-11