|Table of Contents|

Minimum spacing demand analysis between tunnel and exit of interchange(PDF)

长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2011年03期
Page:
68-71
Research Field:
Publishing date:
2011-06-30

Info

Title:
Minimum spacing demand analysis between tunnel and exit of interchange
Author(s):
ZHAO Yi-fei;  CHEN min;  PAN Bing-hong
School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China
Keywords:
traffic engineering;  expressway;  tunnel;  interchange;  spacing;  safety
PACS:
U491
DOI:
-
Abstract:
In order to identify the minimum demand spacing between tunnel and exit of interchange on expressway, the traffic accident features on small spacing segments were analyzed. By studying the light adaptation distance, the ecognition distance to the exit, and traffic signs recognition and operation distance,the minimum spacing demand between tunnel and exit of interchange was put forward. Analysis result shows that the minimum demand spacing between tunnel and exit of interchange at least needs 600 m, the general demand spacing also needs 800 m under secondary level of service on expressway. 1 fig, 4 tabs, 13 refs.

References:

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Last Update: 2011-06-30