Traffic management systems

被引：0

作者：

Levinson, D ^{[1
]}

Chen, W ^{[1
]}

机构：

[1] Univ Minnesota, Dept Civil Engn, Minneapolis, MN 55455 USA

来源：

ASSESSING THE BENEFITS AND COSTS OF ITS: MAKING THE BUSINESS CASE FOR ITS INVESTMENTS | 2004年 / 10卷

关键词：

D O I：

暂无

中图分类号：

U [交通运输];

学科分类号：

08 ; 0823 ;

摘要：

This study uses regression analysis to evaluate long-run traffic management system performance. Three important traffic management systems in the Twin Cities metro area-Ramp Metering, Variable Message Signs, and Freeway Service Patrols (the Highway Helper Program) were evaluated using multiple regression models to predict link speed and incident rate. W e find that ramp meters increase freeway link speed and reduce incident rate. Freeway Service Patrols increase link speed when incidents are present. The results for variable message signs are ambiguous. Regression analysis can be a simple and effective research method for testing the macroscopic association between traffic management and traffic system performance.

引用

页码：263 / 285

页数：23

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