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Annual Average Daily Traffic (AADT): Beginning 1977
Annual Average Daily Traffic (AADT) is an estimate of the average daily traffic along a defined segment of roadway. This value is calculated from short term counts taken along... -
BLM OR Hydrography Flowline Arc Hub
HYD_FLOWLINE_ARC: This dataset contains flowline features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD Flowline features are linear... -
BLM OR Hydrography Point Hub
HYD_POINT: This dataset contains point features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD point features include springs, seeps,... -
Points On System 100 Feet
The Off-System are routes on AHTD's Linear Referencing System (LRS) that for the most part are not part of the State Highway System but qualify for Federal Aid because they are...