Field Name  Codes  Data Type  Units  Test Protocol  Description 
STATE_CODE
 STATE_PROVINCE  NUMBER(2)


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

AX_CT_04

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 3.5 times WEIGHT_BIN_SIZE

AX_CT_05

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 4.5 times WEIGHT_BIN_SIZE

AX_CT_06

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 5.5 times WEIGHT_BIN_SIZE

AX_CT_07

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 6.5 times WEIGHT_BIN_SIZE

AX_CT_08

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 7.5 times WEIGHT_BIN_SIZE

AX_CT_09

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 8.5 times WEIGHT_BIN_SIZE

AX_CT_10

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 9.5 times WEIGHT_BIN_SIZE

AX_CT_11

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 10.5 times WEIGHT_BIN_SIZE

AX_CT_12

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 11.5 times WEIGHT_BIN_SIZE

AX_CT_13

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 12.5 times WEIGHT_BIN_SIZE

SHRP_ID

 VARCHAR2(4)


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

AX_CT_14

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 13.5 times WEIGHT_BIN_SIZE

AX_CT_15

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 14.5 times WEIGHT_BIN_SIZE

AX_CT_16

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 15.5 times WEIGHT_BIN_SIZE

AX_CT_17

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 16.5 times WEIGHT_BIN_SIZE

AX_CT_18

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 17.5 times WEIGHT_BIN_SIZE

AX_CT_19

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 18.5 times WEIGHT_BIN_SIZE

AX_CT_20

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 19.5 times WEIGHT_BIN_SIZE

AX_CT_21

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 20.5 times WEIGHT_BIN_SIZE

AX_CT_22

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 21.5 times WEIGHT_BIN_SIZE

AX_CT_23

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 22.5 times WEIGHT_BIN_SIZE

YEAR

 NUMBER(4)


 Year of the estimate.

AX_CT_24

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 23.5 times WEIGHT_BIN_SIZE

AX_CT_25

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 24.5 times WEIGHT_BIN_SIZE

AX_CT_26

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 25.5 times WEIGHT_BIN_SIZE

AX_CT_27

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 26.5 times WEIGHT_BIN_SIZE

AX_CT_28

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 27.5 times WEIGHT_BIN_SIZE

AX_CT_29

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 28.5 times WEIGHT_BIN_SIZE

AX_CT_30

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 29.5 times WEIGHT_BIN_SIZE

AX_CT_31

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 30.5 times WEIGHT_BIN_SIZE

AX_CT_32

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 31.5 times WEIGHT_BIN_SIZE

AX_CT_33

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 32.5 times WEIGHT_BIN_SIZE

VEHICLE_CLASS
 VEHICLE_CLASS  NUMBER(2)


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

AX_CT_34

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 33.5 times WEIGHT_BIN_SIZE

AX_CT_35

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 34.5 times WEIGHT_BIN_SIZE

AX_CT_36

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 35.5 times WEIGHT_BIN_SIZE

AX_CT_37

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 36.5 times WEIGHT_BIN_SIZE

AX_CT_38

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 37.5 times WEIGHT_BIN_SIZE

AX_CT_39

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 38.5 times WEIGHT_BIN_SIZE

AX_CT_40

 NUMBER(7)
 Axles

 Number of axles in bin with weight greater than 39 times WEIGHT_BIN_SIZE

WEIGHT_BIN_SIZE

 NUMBER(4)
 lb

 Value of the increment for a bin for the axle type as loaded. 1,000 for singles, 2,000 for tandems, 3,000 for tridems, 3,000 or 4,000 for quads depending on the software version used to load the data.

AXLE_GROUP
 AXLE_GROUP  NUMBER(1)


 Type of axle to which this data applies.

RECORD_STATUS

 VARCHAR2(1)


 A code indicating the general quality of the data.

AX_CT_01

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 0.5 times WEIGHT_BIN_SIZE

AX_CT_02

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 1.5 times WEIGHT_BIN_SIZE

AX_CT_03

 NUMBER(7)
 Axles

 Number of axles in bin with midpoint weight equal to 2.5 times WEIGHT_BIN_SIZE
