In order to evaluate the actual utility of speed feedback sign, eye trackers and wireless physiological sensors were used to carry out experimental investigations and data collection. The physiological and psychological changes of drivers were analyzed from perspectives of visual characteristics, electrocardiographic characteristics and electrical skin characteristics. Combined with the characteristics of driver behavior, the applicability of speed feedback signs on urban roads was evaluated. The experimental results showed that: the speed feedback sign could increase drivers′ visual load, improve the information search efficiency, the visual recognition trajectory was clear, and the attention was higher; the speed feedback sign promoted drivers′ sympathetic nervous system to be active, accompanied with higher psychological load and tension emotions, the braking reaction time was shortened; the speed feedback sign had a positive impact on drivers′ following state and braking state, which could effectively reduce the driving speed and improve the traffic safety.
邬 岚，朱兴贝
. Applicability of Speed Feedback Sign Based on Physiological and Psychological Characteristics of Drivers[J]. Transport Research, 2020
, 6(6)
: 39
-45
.
DOI: 10.16503/j.cnki.2095-9931.2020.06.005
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