5YUNG C L. A simulated study on the effects of information volume on traffic signs, viewing strategies and sign familiarity upon driver' s visual search performance [ J ]. International Journal of Industrial Ergonomics, 2005, 35 ( 12 ) : 1147-1158.
6Transportation Research Board. NCHRP report 488: additional investigations on driver information overload [EB/OL]. 2003. [ 2010-01 - 10 ]. http : //onlinepubs. trb. org/onlinepubs/nchrp/nchrp_rpt__488a, pdf.
7ALLEN M J, HAZLETT R D, TAGKER H L, et al. Actual pedestrian visibility and the pedestrian's estimate of his own visibility[J]. American Journal of Optometry and Archives of the American Academy of Optometry, 1970, 47( 1 ) : 44-49.
8COLE B L, JENKINS S E. The nature and measurement of conspicuity [ C ]//Proceedings of the Tenth Conference of the Australian Road Research Board, 1980: 99- 107.
9HARRELL W A. Effects of pedestrians' visibility and signs on motorists' yielding [ J]. Perceptual and Motor Skills, 1994, 78(2): 355-362.
10OLSON P L, HALSTEAD N R, SIVAK M. The effect of improvements in motorcycle/motorcyclist conspicuity on driver behavior [J]. Human Factors, 1981, 23(2) : 237-248.
