Reliability-Based Analysis of Sight Distance Modelling for Traffic Safety

Table 2

Coefficients of friction [4].

Pavement condition	Mean speed (km/h)	Mean	Standard deviation
Wet	80.4	0.4192	0.0913
Wet	85.0	0.4013	0.0913
Wet	90.0	0.3826	0.0913
Wet	95.0	0.3571	0.0913
Wet	99.8	0.3498	0.0913
Dry	All speeds	0.8852	0.0949