Vehicle Classification
Vehicle Classification Counts are collected at our permanent Weigh-in-Motion (WIM) Sites. NJDOT classify vehicles based on modified FHWA vehicle classification scheme. Automatic vehicle classifiers need an algorithm to interpret axle spacing information to correctly classify vehicles into these categories. The algorithm we use is based on axle spacing and weight combination for specific vehicle types.
Vehicle Classification Scheme Descriptions
13 Vehicle Classification Scheme Graphic (pdf 119k)
NJDOT type Vehicle Classification Algorithm
NJDOT-Class Scheme by Axle Spacing (pdf 25k)
NJDOT-Class Scheme by Axle Weight (pdf 25k)
Vehicle Classification reports at WIM Sites
2012 Weekday
(pdf 9m)
2012 Weekend
(pdf 8.9m)
2012 Combined
(pdf 7m)
Annual Summary of Travel Activity by Vehicle Type
- 2012 Statewide and Regional Average Travel Summary by Roadway Functional Class (pdf 17k)
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