Relationship between information quantity and visual cognition of traffic guide sign

DU Zhi-gang; PAN Xiao-dong; GUO Xue-bin

Volume 8 Issue 1

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DU Zhi-gang, PAN Xiao-dong, GUO Xue-bin. Relationship between information quantity and visual cognition of traffic guide sign[J]. Journal of Traffic and Transportation Engineering, 2008, 8(1): 118-122.

Citation:

DU Zhi-gang, PAN Xiao-dong, GUO Xue-bin. Relationship between information quantity and visual cognition of traffic guide sign[J]. Journal of Traffic and Transportation Engineering, 2008, 8(1): 118-122.

Citation:

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Relationship between information quantity and visual cognition of traffic guide sign

1.
School of Transportation, Wuhan University of Technology, Wuhan 430063, Hubei, China
2.
Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai 200092, China
3.
Hangzhou Formulation Center of Urban Planning, Hangzhou 310012, Zhejiang, China

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Author Bio:
Du Zhi-gang(1977-), male, PhD, lecturer, +86-27-82969851, zhig_du7@163.com
Received Date: 2007-10-12
Publish Date: 2008-02-25

Abstract

Abstract

In order to ascertain the rational road name number of traffic guide sign, using EMR-HM8 eye tracker system, the relationship between information quantity and visual cognition of traffic guide sign was analyzed based on many indoor simulation experiments, visual cognition of guide sign with target road name was compared with that with non-target road name. Analysis result shows that when the road name number of guide sign is 2~7, the reaction time of visual cognition is less than 2.50 s and it has significantly linear positive relationship with road name number; the visual cognition time of target road name sign is less than that of non-target road name sign obviously, and their average difference is 0.52 s. The suggested value of visual cognition reaction time is 2.00 s when road name number is less than 5 and the vehicle speed is not bigger than 50 km·h^-1; the suggested value is 2.50 s in other condition; the rational road name number of guide sign is less than 5.
- traffic engineering,
- guide sign,
- information quantity,
- visual cognition,
- reaction time

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References(12)

References

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