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Fields for table: TRF_MONITOR_LTPP_LN

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.
DAYS_OF_WEEK_COUNTED
DAYS_SPANNEDVARCHAR2(2)


Code indicating the day of week coverage for counts.
EST_TRUCKS_WT

NUMBER(8)


Estimated annual number of trucks based solely on weight data in LTPP lane.
TRUCKS_WEIGHED

NUMBER(8)


Total number of trucks in accepted weight records.
WEIGHT_DAYS

NUMBER(3)
days

Number of weight days in the accepted data set in which vehicles in the vehicle class were observed.
DAYS_OF_WEEK_WEIGHED
DAYS_SPANNEDVARCHAR2(2)


Code indicating the day of week coverage for weights.
SINGLE_AX_EST

NUMBER(9)
Axles

Total estimated number of single axles.
TANDEM_AX_EST

NUMBER(9)
Axles

Total estimated number of tandem axles.
TRIDEM_AX_EST

NUMBER(9)
Axles

Total estimated number of tridem axles.
QUADPLUS_AX_EST

NUMBER(9)
Axles

Total estimated number of quad+ axles.
SINGLE_AX_COUNTED

NUMBER(9)
Axles

Total number of single axles in accepted weight records.
SHRP_ID

VARCHAR2(4)


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

NUMBER(9)
Axles

Total number of tandem axles in accepted weight records.
TRIDEM_AX_COUNTED

NUMBER(9)
Axles

Total number of tridem axles in accepted weight records.
QUADPLUS_AX_COUNTED

NUMBER(9)
Axles

Total number of quad+ axles in accepted weight records.
CT_DAYS_RECEIVED

NUMBER(3)


Total days of classification data received for LTPP lane.
WT_DAYS_RECEIVED

NUMBER(3)


Total days of weight data received for LTPP lane.
YEAR

NUMBER(4)


Year of the estimate.
VEHICLE_CLASS
VEHICLE_CLASSNUMBER(2)


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

VARCHAR2(1)


A code indicating the general quality of the data.
TRUCKS_LTPP_LN

NUMBER(8)


Annual estimate of trucks in LTPP lane.
EST_TRUCKS_CT

NUMBER(8)


Estimated annual number of trucks based solely on count data in LTPP lane.
TRUCKS_COUNTED

NUMBER(8)


Total number of trucks in accepted classification records.
COUNT_DAYS

NUMBER(3)
days

Number of classification days in the accepted data set in which vehicles in the vehicle class were observed.