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LTPP TABLE NAVIGATOR: Field View


Fields for table: VEHICLE_CLASS_ADT_ANNUAL

Field NameCodesData TypeUnitsTest ProtocolDescription
STATE_CODE
STATE_PROVINCENUMBER(2)


Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
SHRP_ID

VARCHAR2(4)


Test section identification number assigned by LTPP program. Must be combined with STATE_CODE to be unique.
YEAR

NUMBER(4)


The year to which the average applies.
LANE_TRF

NUMBER(1)


Number of the lane for which the data was collected.
DIR_TRF
DIR_TRFNUMBER(1)


The direction to which the lane applies.
VEHICLE_CLASS
VEHICLE_CLASSNUMBER


Vehicle classification code using 13 bins as described in the FHWA Traffic Monitoring Guide.
CLASS_ADT_ANNUAL

NUMBER


The average daily number of vehicles for the year rounded to the nearest tenth.