Average Daily Traffic

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Average daily traffic or ADT, and sometimes also mean daily traffic, is the average number of vehicles two-way passing a specific point in a 24-hour period, normally measured throughout a year. ADT is the standard measurement for vehicle traffic load on a section of road, and the basis for most decisions regarding transport planning, or to the environmental hazards of pollution related to road transport.[1] [2] Road authorities have norms based on ADT, with decisions to expand road capacity at given thresholds.

[edit] References

  1. ^ Gauderman, W James et. al. (2005). Childhood Asthma and Exposure to Traffic and Nitrogen Dioxide..
  2. ^ Gary A. Davis (2007). Accuracy of Estimates of Mean Daily Traffic: A Review.
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