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Evaluation of Different Methods to Calculate Heavy-Truck VMT (11257 words) |
 | AADT from short-term classification counts for a class of heavy vehicles is factored up using the expansion factors. |
| Comparison of the AADT with the historical count record at that location is made, and any count that does not compare reasonably to the historical pattern is flagged and marked to be reset and counted again during the current count season. |
| AADT by vehicle category and for total traffic for each ATR station was computed using the American Association of State Highway and Transportation Officials (AASHTO) methoda three-step averaging process. |
| Traffic counts - Wisconsin Department of Transportation (246 words) |
| This value is called the "annual average daily traffic" or AADT and are represented on traffic count or traffic volume maps. |
| The AADT is based on a short-term traffic count, usually 48 hours, taken at the location. |
| The AADT volumes shown are representative of the year indicated on each map. |
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