Conspicuity Research on the Highway Roadside Objects: A Simulator Study

Table 5

The mean legibility distance under 120 km/h.

Contours	Sizes of the roadside objects (m^2)
	1	16	49	100	169
Triangle	121.38	514.18	756.34	1331.08	1776.47
Rectangle	112.77	507.39	749.48	1212.79	1753.18
Round	106.43	482.58	717.82	1065.30	1701.53