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California Department of Transportation

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Caltrans Divisions

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University of California Davis & Berkeley Pavement Research Center (UCPRC)

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Caltrans > Pavement > Office of Pavement Engineering > Traffic

Traffic

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Caltrans Traffic Resourse

Highway Design Manual (HDM): Chapter 610, Topic 613 Traffic Considerations, (PDF, 645KB)
Data Weigh-in-Motion (WIM) (Office of Truck Services)
Truck Count (Traffic and Vehicle Data Systems Unit)
Highway Design Manual (HDM): Chapter 610, Topic 613.4 Axle Load Spectra, (PDF, 645KB)

Please forward any questions/comments/suggestions to Hector Vergara (hector_vergara@dot.ca.gov).