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Fields for table: DD_AX

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.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
DAY_OF_WEEK
DAY_OF_WEEKNUMBER(1)


The code for the day of the week represented by this data.
AX_CT_01

NUMBER(5)


The number of axles whose weight falls between 0-999 pounds for single axles; 0-1,999 pounds for tandem axles; 0-2,999 pounds for tridem and quad axles.
AX_CT_02

NUMBER(5)


The number of axles whose weight falls between 1,000-1,999 pounds for single axles; 2,000-3,999 pounds for tandem axles; 3,000-5,999 pounds for tridem and quad axles.
AX_CT_03

NUMBER(5)


The number of axles whose weight falls between 2,000-2,999 pounds for single axles; 4,000-5,999 pounds for tandem axles; 6,000-8,999 pounds for tridem and quad axles.
AX_CT_04

NUMBER(5)


The number of axles whose weight falls between 3,000-3,999 pounds for single axles; 6,000-7,999 pounds for tandem axles; 9,000-11,999 pounds for tridem and quad axles.
AX_CT_05

NUMBER(5)


The number of axles whose weight falls between 4,000-4,999 pounds for single axles; 8,000-9,999 pounds for tandem axles; 12,000-14,999 pounds for tridem and quad axles.
AX_CT_06

NUMBER(5)


The number of axles whose weight falls between 5,000-5,999 pounds for single axles; 10,000-11,999 pounds for tandem axles; 15,000-17,999 pounds for tridem and quad axles.
AX_CT_07

NUMBER(5)


The number of axles whose weight falls between 6,000-6,999 pounds for single axles; 12,000-13,999 pounds for tandem axles; 18,000-20,999 pounds for tridem and quad axles.
AX_CT_08

NUMBER(5)


The number of axles whose weight falls between 7,000-7,999 pounds for single axles; 14,000-15,999 pounds for tandem axles; 21,000-23,999 pounds for tridem and quad axles.
SHRP_ID

VARCHAR2(4)


Test section identification number assigned by LTPP program. Must be combined with STATE_CODE to be unique.
AX_CT_09

NUMBER(5)


The number of axles whose weight falls between 8,000-8,999 pounds for single axles; 16,000-17,999 pounds for tandem axles; 24,000-26,999 pounds for tridem and quad axles.
AX_CT_10

NUMBER(5)


The number of axles whose weight falls between 9,000-9,999 pounds for single axles; 18,000-19,999 pounds for tandem axles; 27,000-29,999 pounds for tridem and quad axles.
AX_CT_11

NUMBER(5)


The number of axles whose weight falls between 10,000-10,999 pounds for single axles; 20,000-21,999 pounds for tandem axles; 30,000-32,999 pounds for tridem and quad axles.
AX_CT_12

NUMBER(5)


The number of axles whose weight falls between 11,000-11,999 pounds for single axles; 22,000-23,999 pounds for tandem axles; 33,000-35,999 pounds for tridem and quad axles.
AX_CT_13

NUMBER(5)


The number of axles whose weight falls between 12,000-12,999 pounds for single axles; 24,000-25,999 pounds for tandem axles; 36,000-38,999 pounds for tridem and quad axles.
AX_CT_14

NUMBER(5)


The number of axles whose weight falls between 13,000-13,999 pounds for single axles; 26,000-27,999 pounds for tandem axles; 39,000-41,999 pounds for tridem and quad axles.
AX_CT_15

NUMBER(5)


The number of axles whose weight falls between 14,000-14,999 pounds for single axles; 28,000-29,999 pounds for tandem axles; 42,000-44,999 pounds for tridem and quad axles.
AX_CT_16

NUMBER(5)


The number of axles whose weight falls between 15,000-15,999 pounds for single axles; 30,000-31,999 pounds for tandem axles; 45,000-47,999 pounds for tridem and quad axles.
AX_CT_17

NUMBER(5)


The number of axles whose weight falls between 16,000-16,999 pounds for single axles; 32,000-33,999 pounds for tandem axles; 48,000-50,999 pounds for tridem and quad axles.
AX_CT_18

NUMBER(5)


The number of axles whose weight falls between 17,000-17,999 pounds for single axles; 34,000-35,999 pounds for tandem axles; 51,000-53,999 pounds for tridem and quad axles.
LANE_TRF

NUMBER(1)


Number of the lane for which the data was collected.
AX_CT_19

NUMBER(5)


The number of axles whose weight falls between 18,000-18,999 pounds for single axles; 36,000-37,999 pounds for tandem axles; 54,000-56,999 pounds for tridem and quad axles.
AX_CT_20

NUMBER(5)


The number of axles whose weight falls between 19,000-19,999 pounds for single axles; 38,000-39,999 pounds for tandem axles; 57,000-59,999 pounds for tridem and quad axles.
AX_CT_21

NUMBER(5)


The number of axles whose weight falls between 20,000-20,999 pounds for single axles; 40,000-41,999 pounds for tandem axles; 60,000-62,999 pounds for tridem and quad axles.
AX_CT_22

NUMBER(5)


The number of axles whose weight falls between 21,000-21,999 pounds for single axles; 42,000-43,999 pounds for tandem axles; 63,000-65,999 pounds for tridem and quad axles.
AX_CT_23

NUMBER(5)


The number of axles whose weight falls between 22,000-22,999 pounds for single axles; 44,000-45,999 pounds for tandem axles; 66,000-68,999 pounds for tridem and quad axles.
AX_CT_24

NUMBER(5)


The number of axles whose weight falls between 23,000-23,999 pounds for single axles; 46,000-47,999 pounds for tandem axles; 69,000-71,999 pounds for tridem and quad axles.
AX_CT_25

NUMBER(5)


The number of axles whose weight falls between 24,000-24,999 pounds for single axles; 48,000-49,999 pounds for tandem axles; 72,000-74,999 pounds for tridem and quad axles.
AX_CT_26

NUMBER(5)


The number of axles whose weight falls between 25,000-25,999 pounds for single axles; 50,000-51,999 pounds for tandem axles; 75,000-77,999 pounds for tridem and quad axles.
AX_CT_27

NUMBER(5)


The number of axles whose weight falls between 26,000-26,999 pounds for single axles; 52,000-53,999 pounds for tandem axles; 78,000-80,999 pounds for tridem and quad axles.
AX_CT_28

NUMBER(5)


The number of axles whose weight falls between 27,000-27,999 pounds for single axles; 54,000-55,999 pounds for tandem axles; 81,000-83,999 pounds for tridem and quad axles.
DIR_TRF
DIR_TRFNUMBER(1)


The direction to which the data applies.
AX_CT_29

NUMBER(5)


The number of axles whose weight falls between 28,000-28,999 pounds for single axles; 56,000-57,999 pounds for tandem axles; 84,000-86,999 pounds for tridem and quad axles.
AX_CT_30

NUMBER(5)


The number of axles whose weight falls between 29,000-29,999 pounds for single axles;58,000-59,999 pounds for tandem axles; 87,000-89,999 pounds for tridem and quad axles.
AX_CT_31

NUMBER(5)


The number of axles whose weight falls between 30,000-30,999 pounds for single axles; 60,000- 61,999 pounds for tandem axles; 90,000-92,999 pounds for tridem and quad axles.
AX_CT_32

NUMBER(5)


The number of axles whose weight falls between 31,000-31,999 pounds for single axles; 62,000-63,999 pounds for tandem axles; 93,000-95,999 pounds for tridem and quad axles.
AX_CT_33

NUMBER(5)


The number of axles whose weight falls between 32,000-32,999 pounds for single axles; 64,000- 65,999 pounds for tandem axles; 96,000-98,999 pounds for tridem and quad axles.
AX_CT_34

NUMBER(5)


The number of axles whose weight falls between 33,000-33,999 pounds for single axles; 66,000- 67,999 pounds for tandem axles; 99,000-101,999 pounds for tridem and quad axles.
AX_CT_35

NUMBER(5)


Number of axles whose weight falls between 34,000-34,999 pounds for single axles; 68,000-69,999 pounds for tandem axles; 102,000-104,999 pounds for tridem and quad axles.
AX_CT_36

NUMBER(5)


Number of axles whose weight falls between 35,000-35,999 pounds for single axles; 70,000-71,999 pounds for tandem axles; 105,000-107,999 pounds for tridem and quad axles.
AX_CT_37

NUMBER(5)


Number of axles whose weight falls between 36,000-36,999 pounds for single axles; 72,000- 73,999 pounds for tandem axles; 108,000-110,999 pounds for tridem and quad axles.
AX_CT_38

NUMBER(5)


Number of axles whose weight falls between 37,000-37,999 pounds for single axles; 74,000-75,999 pounds for tandem axles; 111,000-113,999 pounds for tridem and quad axles.
VEH_CLASS
VEH_CLASSNUMBER(2)


The agency defined classification for the vehicle type to which these axles belong.
AX_CT_39

NUMBER(5)


Number of axles whose weight falls between 38,000-38,999 pounds for single axles; 76,000-77,999 pounds for tandem axles; 114,000-116,999 pounds for tridem and quad axles.
AX_CT_40

NUMBER(5)


Number of axles whose weight is 39,000 pounds or greater for single axles; 78,000 pounds or greater for tandem axles; 117,000 or greater for tridem and quad axles.
AXLE_GROUP
AXLE_GROUPNUMBER(1)


Type of axle to which this data applies.
YEAR

NUMBER(4)


Year the data was collected.
MONTH

NUMBER(2)


Month the data was collected.
DAY

NUMBER(2)


Day the data was collected.