(Queensland University of Technology) The growing trend to install multiple road signs at the same location along Australian freeways might be practical and cost-effective but is it safe? A new QUT study, published in Transportation Research has looked at the impact of locating up to three signs on a freeway gantry (bridge-like overhead structure) and found driving performance is not affected and drivers are able to respond safely to an emergency situation.
from EurekAlert! - Social and Behavioral Science http://ift.tt/2raXeNk
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