Updated Vehicle Inventory Data Focusing on TrucksDaniel Jenkins & Wenjing PuHighway Information SeminarNovember 15, 2017

Office Organizational Chart

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Motor Fuel and Highway Finance

Ralph DavisMike DoughertyClarissa SmithBryant GrossBrian LomaxHelen Davidson

Highway System Performance

Chris AllenRob RozyckiTom RoffRon EricksonRonald Vaughn, PMPJustin Clarke, AICPJeromy Barnes, GISPSeemeen Hashem1

Travel Monitoring and Surveys

Dr. Tianjia Tang, PESteven JessbergerDanny Jenkins, PEDr. Patrick Zhang, PEDr. Wenjing Pu, PEMike SlatteryDawn EdwardsVacantApara Banerjee1

1 – Indicates contractor

Project Tasks• Develop Vehicle Inventory Pictorial Illustrations• Develop Vehicle Axle Spacing Data and Illustrations• Develop Vehicle Tire Arrangement Data and Illustrations• Review FHWA 13 Vehicle Classes’ Empty GVW, GVWR and

Curb Weight Data

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Vehicle Inventory Pictorial Data• All 13 FHWA vehicle classes• Minimum 20 vehicles per vehicle class (only 14 motorcycles,

however)• Minimum 650 vehicles• Nationwide coverage

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FHWA 13 vehicle classes

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Final Pictorial Count

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Field Trips for Photo/Illustration Data Collection

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Class 1- motorcycles

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Axle spacing

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Tire arrangements

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Class 3 Example

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Class 7 Example

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Class 12 Example

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Unique sightings

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Superloads

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How can vehicle inventory data be used

• Freight analysis• Pavement/bridge design• Geometric design• Safety analysis• Environmental analysis (air/noise)• Origin-Destination (when coupled with signature data)

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Questions and Comments

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Daniel Jenkins, PE1200 New Jersey Ave. SEWashington DC 20590202-366-1067Daniel.jenkins@dot.gov