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Using Site Specific Data (48 Hours)
Mean Absolute Percent Error
   Vehicle   Vehicle   Vehicle
   Class 5   Classes 6-7   Classes 8-13
Unfactored   8.5%   13.2%   8.0%
Factored Using Site Average Approach
   Statewide Factors   7.4%   12.9%   7.3%
   Functional Class Factors   7.5%   13.8%   7.3%
   Regional Factors   7.5%   13.7%   7.5%
Factored Using All Vehicles Approach
   Statewide Factors   7.6%   13.0%   7.1%
   Functional Class Factors   7.8%   13.8%   7.3%
   Regional Factors   7.6%   13.9%   7.4%