Effects of the Installation Angle of Raised Pavement Markers on a Horizontal Curve Section on the Line of Sight Induction Performance

Table 2

Corresponding installation angles and incident angles for different radii.

RPM number	Radius (m)	Installation angle; (Optimal/Normal); (degrees)	Incident angle; (Optimal/Normal); (degrees)
1	30	27.99/90.00	40.95/46.85
	65	49.58/90.00	43.40/47.65
	100	61.01/90.00	45.15/48.57
	200	74.24/90.00	47.87/49.02
	400	81.59/90.00	50.06/50.55
	700	81.92/90.00	50.81/50.99
	1000	82.12/90.00	51.32/51.42
2	30	46.08/90.00	43.39/47.95
	65	65.88/90.00	45.43/48.66
	100	73.35/90.00	47.24/49.19
	200	80.74/90.00	50.06/50.64
	400	84.53/90.00	51.52/51.72
	700	85.16/90.00	52.06/52.15
	1000	85.81/90.00	52.31/52.38
3	30	56.31/90.00	45.10/48.59
	65	72.10/90.00	47.07/49.33
	100	77.39/90.00	49.09/50.19
	200	82.42/90.00	51.03/51.42
	400	84.96/90.00	52.01/52.18
	700	85.35/90.00	52.44/52.54
	1000	85.69/90.00	52.61/52.69
4	30	62.26/90.00	46.67/49.26
	65	75.00/90.00	48.49/50.05
	100	79.05/90.00	50.05/50.86
	200	82.86/90.00	51.52/51.86
	400	84.76/90.00	52.26/52.44
	700	85.12/90.00	52.58/52.71
	1000	85.38/90.00	52.70/52.81
5	30	65.89/90.00	47.84/49.95
	65	76.46/90.00	49.36/50.62
	100	79.73/90.00	50.63/51.34
	200	82.79/90.00	51.81/52.16
	400	84.31/90.00	52.41/52.62
	700	84.96/90.00	52.66/52.83
	1000	85.23/90.00	52.76/52.91
6	30	68.19/90.00	48.65/50.38
	65	77.17/90.00	50.13/51.25
	100	79.91/90.00	51.02/51.70
	200	82.46/90.00	52.01/52.39
	400	83.73/90.00	52.51/52.77
	700	84.18/90.00	52.72/52.93
	1000	84.39/90.00	52.80/53.00