Interval Recognition Algorithm of the Pavement Surface Condition Based on Lagrange Interpolation Method

Table 5

Parameter table of ordinate value of “” and number of different tire-road friction coefficients.

Surface condition		Ordinate value of “”	Error	Number
Ice	0.05	0.05065	1.3	1
Snow	0.19	0.1925	1.316	2
Wet cobblestone	0.38	0.3985	4.87	3
Wet asphalt	0.8	0.8121	1.51	4
Dry cement	1.09	1.11	1.83	5
Dry asphalt	1.17	1.189	1.62	6