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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,...
Driverpsilas characteristics of eye movements can express the visual information processing procedure; the signpsilas safety of urban tunnel stage can be evaluated by recording and analyzing driverpsilas eye-movement characteristics. By using EMR-8B eye tracker system, driverpsilas eye movements was taken as research object, the typical urban tunnel in Shanghai City was selected, 16 times experiment...
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