ADT site values hold the measured or estimated value of average daily traffic volume for a particular time period.  Last updated March 16, 2023.
Each point holds the measured average daily traffic volume for that site for the most recent measurement period. Attributes include the unique RegionSiteNumber ID, MostRecentYear and MostRecentCount, Date Recorded and Road Name and Number. Also included is a &quot;flow map&quot;, which is a road layer with traffic count ranges added.<div><br /></div><div>This dataset was last updated for year 2023.</div><div><br /><div>Historical data is available on the ADT website located at: <a href='https://apps.co.marion.or.us/adt/' target='_blank' rel='nofollow ugc noopener noreferrer'>https://apps.co.marion.or.us/adt/ </a></div></div>
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