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Chongqing Ring Expressway Guide Signs Layout Problems Analysis and Countermeasures Research

Author: XuHongLiang
Tutor: ZhangTaiXiong；LiuTangZhi
School: Chongqing Jiaotong University
Course: Road and Railway Engineering
Keywords: Link Expressway Directional sign The amount of information Embedded Problem Analysis Rectification measures
CLC: U491.52
Type: Master's thesis
Year: 2010
Downloads: 95
Quote: 1
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Abstract

Accompanied by the development of China's economy, some cities to ease urban traffic pressure have built the Central Link Expressway. Link high-speed urban roads, national and provincial, and radiation connected to the highway, has a multi-interchange spacing of interchanges and exits along the involved area is wide, guiding informative feature. Therefore, some of the Central Link Expressway opened to traffic, often guide signs the amount of information overload, information level is not clearly unreasonable problem. How to solve the above problems, it has become the primary objective of the Ring highway directional sign face. The inner ring motorway, Chongqing is also facing problems with typical Central Link Expressway, the cause is not familiar with the driver of the region's road network is easy to take the \This article is relying on the the Transportation Research projects in of Chongqing 市交委 2009, to conduct research on a reasonable set of Chongqing inner ring highway guide signs. Firstly, set the status quo of high-speed traffic signs in the inner ring of the investigation and analysis, combined with national regulatory requirements related departure never familiar with the road users of the road network for traffic signs set up and use studied. The amount of information overload problem Secondly, the guide sign, under laboratory conditions, the amount of information that a reasonable set of research based on the theory of ergonomics. Experimental studies have shown that: directional sign transfer the amount of information and the subjects of the search for cognitive time there is a good correlation between; subjects search for cognitive relational model of time and the amount of information; analysis of the model proposed in line were by the cognitive regular amount of information threshold for the six names is appropriate. Papers Link Expressway guiding information characteristics of different types of the guiding information using embedded design concept. Through the design of the pilot program, the the embedded directional sign legibility. The study showed that: the embedded directional sign can effectively reduce the subjects to recognize and read time; improve the visibility and legibility of the guide sign information; verify different types of information in accordance with the embedded merger set reasonable; embedded layout design to enhance the contrast of the layout information, to bring subjects were certain visual impact. The embedded design Link high-speed guiding information overload optimized to provide a new method. Finally, Chongqing inner ring highway and interchange as a case study, mainly from the optimization overload amount of information design application the embedded directional sign to standardize the English translation of information, rational use of road ancillary facilities instance of this study, comprehensive optimization Chongqing inner ring of high-speed and interchange guide sign rectification program.

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CLC: > Transportation > Road transport > Technical management of traffic engineering and road transport > Traffic engineering and traffic management > Line of traffic safety facilities > Traffic signs
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