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Pages 7-10

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From page 7...
... 7 Table 2.1 provides a typology of sources on vehicle fleet and activity data that could potentially provide truck-specific data. Each data source is associated with the MOVES activity and fleet data inputs that it could support.
From page 8...
... 8 Guide to Truck Activity Data for Emissions Modeling Data Source V eh ic le P o p u la ti o n A g e D is tr ib u ti o n s V M T b y V eh ic le T yp e V M T b y R o ad T yp e an d /o r T im e o f D ay S p ee d D is tr ib u ti o n s O p er at in g M o d e / V S P D is tr ib u ti o n s S ta rt s an d H o te lli n g Traffic Operations Data ATR -- classification counts ITS -- detectors, video, Bluetooth Traffic Simulation Models Traffic simulation models Truck Flow Data and Forecasting Models Freight flows -- FAF, TRANSEARCH Travel demand forecasting models Commercial Telematics Data Aggregated GPS and cellphone data ECU data Registration and Inspection Data State registrations Federal motor carrier -- MCMIS Program registrations -- IRP, SmartWay Other Field Data Collection License plate survey Facility databases (e.g., truck stops, port terminal gate data) Field surveys (observational, intercept)
From page 9...
... Truck Fleet and Activity Data Sources 9 Data Source Coverage Traffic Operations Data ATR -- classification counts Volumes 1 and 2 of NCHRP Web-Only Document 210a provide information on use of ATR data to develop VMT and temporal distributions by vehicle/source type. ITS -- detectors, video, Bluetooth Volumes 1 and 2 of NCHRP Web-Only Document 210 provide information on using ITS data to develop speed distributions for all vehicles.
From page 10...
... 10 Guide to Truck Activity Data for Emissions Modeling Data set Description Outcome Sources Acquired/Used California Air Resources Board (CARB) -- instrumented trucks A set of 100 instrumented trucks collected by the University of California (UC)

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