Office of Operations Freight Management and Operations

Data Dictionary

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The following table describes the variables contained in the database file FAFDATA.DBF

ID Integer Unique identification number
VERSIONCharacterUsed for maintaining consistency across data files containing alternate releases of the FAF.
AADT02IntegerHPMS annual average daily traffic for year 2002
AADTT02 IntegerYear 2002 truck volume based on HPMS average truck percentage
FAF02 IntegerFAF 2.2 truck flow based on freight demand model and FAF 2.2 O-D database
NONFAF02IntegerLocal truck traffic that is not part of FAF 2.2 flow
AADT35 IntegerAnnual average HPMS daily traffic. Estimated using the HPMS traffic growth factor
AADTT35 IntegerYear 2035 truck volume based on HPMS average truck percentage and traffic growth
FAF35 IntegerFAF 2.2 truck flow based on freight demand model and FAF 2.2 O-D database
NONFAF35 IntegerLocal truck traffic that is not part of FAF 2.2 flow
CAP02 IntegerEstimated capacity using HCM 2000 methodology
SF02RealService flow volume/hour
VCR02 Real2002 volume to capacity ratio
SPEED02 Real2002 congested speed miles/hour
DELAY02 Real2002 link delays in hour
CAP35 IntegerEstimated capacity using HCM 2000 methodology
SF35RealService flow volume/hour
VCR35 Real2035 volume to capacity ratio
SPEED35 Real2035 congested speed miles/hour
DELAY35 Real2035 link delays in hour

Office of Operations