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The legibility of traffic signs in urban tunnels is of great importance on traffic safety. To improve legibility of traffic signs, this paper attempts to assess the siting and layout of LED traffic guide signs by simulation and field tests. First, the test scenarios were built in DIALUX software, where drivers' legibility distance were recorded with regard to twenty-four signs with different colors,...
In order to analyze the influence of embankment on wind velocity field and vehicle dynamic responses under the influence of sudden cross-wind, Finite element models of different height embankments are built to analyze wind velocity field, and wind velocity on different height of left travel lane is computed. Then two degree of freedom vehicle model is established to analyze vehicle dynamic responses...
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