Conspicuity Research on the Highway Roadside Objects: A Simulator Study

Table 4

The mean legibility distance under 100 km/h.

Contours	Sizes of the roadside objects (m^2)
	1	16	49	100	169
Triangle	123.72	532.65	757.29	1347.34	1764.90
Rectangle	120.82	524.62	744.64	1248.22	1744.74
Round	113.86	500.81	732.43	1162.23	1642.60