Conspicuity Research on the Highway Roadside Objects: A Simulator Study

Table 3

The mean legibility distance under 80 km/h.

Contours	Sizes of the roadside objects (m^2)
	1	16	49	100	169
Triangle	122.87	524.56	766.5	1397.16	1764.90
Rectangle	117.65	516.37	729.91	1236.19	1561.38
Round	107.87	505.81	696.44	1202.48	1517.41