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Fields for table: TRF_MEPDG_AX_PER_TRUCK

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)


Year for which values apply,
VEHICLE_CLASS
VEHICLE_CLASSNUMBER(2)


Vehicle classification code using 13 bins as described in the FHWA Traffic Monitoring Guide.
AXLE_GROUP
AXLE_GROUPNUMBER(1)


Type of axle to which this data applies.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
AXLES_TRUCK

NUMBER(4,2)


Average number of this type of axle for a vehicle in this class