|Table of Contents|

Continuity evaluation model of guide sign information(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2012年06期
Page:
76-81,88
Research Field:
交通运输规划与管理
Publishing date:

Info

Title:
Continuity evaluation model of guide sign information
Author(s):
HAN Yue-jie;  XU Jin-liang;  YANG Hong-zhi;  WANG Long-fei;  ZHAO Yue-feng
Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China
Keywords:
traffic engineering;  guide sign;  continuity evaluation;  guide information
PACS:
U491.52
DOI:
-
Abstract:
In order to evaluate the continuity of guide sign information in road network, road network was categorized into two hierarchies according to the impact area of guide sign information, and the model of road network was set up based on directed graph theory. Considering the deployment of guide sign information and turning decision spot in the route, the guide information item coefficient and the setting ratio of guide information were introduced, and the continuity evaluation model of guide sign information was established. Analysis result shows that setting the guide information in the road network with two hierarchies can reflect the law and psychological characteristic for traveler during the road research process. When guide information is lost, the quintitutive evaluation of specific route continuity can be carricd out by using the turning probability selection characteristics of route decision spots. When both of guide information term coefficient and the setting ratio of guide information are larger than 50%, the route is better in continuity. 1 tab, 5 figs, 14 refs.

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Last Update: 2012-12-30