Field Name  Codes  Data Type  Units  Test Protocol  Description 
VISIT_NO

 VARCHAR2(10)


 Unique identification for each site visit made by profiling equipment.

RMSVA_8

 NUMBER(8,4)
 ft/sq s

 Root mean square vertical acceleration for 8 foot base length.

RMSVA_16

 NUMBER(8,4)
 ft/sq s

 Root mean square vertical acceleration for 16 foot base length.

RMSVA_32

 NUMBER(8,4)
 ft/sq s

 Root mean square vertical acceleration for 32 foot base length.

RMSVA_64

 NUMBER(8,4)
 ft/sq s

 Root mean square vertical acceleration for 64 foot base length.

RMSVA_128

 NUMBER(8,4)
 ft/sq s

 Root mean square vertical acceleration for 128 foot base length.

SLOPE_VARIANCE

 NUMBER(9,6)


 Approximation of slope variance as computed by PROFCHK software.

SPIKE_COUNTER

 NUMBER(3)


 Total count of spikes detected by PROQUAL for a section with a given profile date, time and run number.

RECORD_STATUS

 VARCHAR2(1)


 A code indicating the general quality of the data.

RUN_NUMBER

 VARCHAR2(1)


 Number indicating the position of the run in the series.

IRI_LEFT_WHEEL_PATH

 NUMBER(5,3)
 m/km

 IRI value for left wheel path.

IRI_RIGHT_WHEEL_PATH

 NUMBER(5,3)
 m/km

 IRI value for right wheel path.

IRI_CENTER_LANE

 NUMBER(5,3)
 m/km

 IRI value for center of the lane.

MRI

 NUMBER(5,3)
 m/km

 Mean Roughness Index  Average of the left and right wheel path IRI values.

RMSVA_1

 NUMBER(8,4)
 ft/sq s

 Root mean square vertical acceleration for 1 foot base length.

RMSVA_2

 NUMBER(8,4)
 ft/sq s

 Root mean square vertical acceleration for 2 foot base length.

RMSVA_4

 NUMBER(8,4)
 ft/sq s

 Root mean square vertical acceleration for 4 foot base length.
