Performance Prediction Modelling for Flexible Pavement on Low Volume Roads Using Multiple Linear Regression Analysis

Table 2

Range of data used for model development and validation.

Description	Notation	Unit	Minimum	Maximum	Mean
Commercial vehicle per day	CVPD	number	2	9	5.5
Pavement age since last renewal	AGE	Years	0	10.5	5.25
Modified structural number	MSN	—	0.91	2.78	1.845
Roughness value	ROU	m/km	3	9	6
Cracking area	CR	%	0	17	8.5
Pothole area	PH	%	0	27	13.5
Annual rainfall	RN	mm	695	2139	1417