Abstract
In order to find a practical graphical layout of the plane cross sign and the corresponding intersection road information expression method, and effectively solve the multi-attribute information transmission problem of intersecting roads, the drivers’ eye movement characteristics and the visual response time was analyzed when recognizing the signs with different graphic scheme designs and intersecting road information expressions. The tests were divided into static test and dynamic test by using SMT ETG 2W and Tobbi X20-30 eye trackers. The study found that under the condition of three road name information, comparing the graphical layout with both the intersecting road number and road name and the graphical layout which expressed none information of intersecting road for the large plane cross signs, it is equivalent to the addition of two pieces of information. And the conclusion for six road name information is more obvious.
Highlights
With the growth of the domestic urbanization construction speed and the continuous expansion of scale, many areas that were not originally used for urban construction are becoming part of the city at an unprecedented rate
In the current specifications of China, the layout information requirements for the plane cross signs of the general road are only considered the single case of the national provincial road or the urban road
The above problems are evident in the large plane cross signs that need to express more path information
Summary
With the growth of the domestic urbanization construction speed and the continuous expansion of scale, many areas that were not originally used for urban construction are becoming part of the city at an unprecedented rate. In the current specifications of China, the layout information requirements for the plane cross signs of the general road are only considered the single case of the national provincial road or the urban road (with no route coincidence). It does not consider the multi-attribute problem that may exist on the same road. It may lead to the omission of the expression of some important guiding information when guiding the actual engineering design It is troublesome for drivers who are not familiar with the local road conditions but are increasingly dependent on the vehicle navigation system. The above problems are evident in the large plane cross signs that need to express more path information
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