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How often are traffic counts completed?
The MaineDOT counts most locations every other year for a single 24 hour period, and uses a weekly factor by corridor type to determine the average traffic count. Every fifth year, counts are conducted in Aroostook and Washington county. Some locations with the highest volumes are counted every year. A few dozen locations in the state are continuously counted with monitoring stations.

ATRC Traffic Counts

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1. Why are Traffic Counts important?
2. What is ADT?
3. How often are traffic counts completed?
4. How do I ask for other traffic count information that is not shown?