北京市快速环路宏观基本图特征研究

被引:51
作者
贺正冰 [1 ]
关伟 [1 ]
樊玲玲 [1 ]
关积珍 [2 ]
机构
[1] 北京交通大学城市交通复杂系统理论与技术教育部重点实验室
[2] 北京四通智能交通系统集成有限公司
基金
国家高技术研究发展计划(863计划);
关键词
城市交通; 宏观基本图; 城市快速路; 拥堵; 回滞现象;
D O I
10.16097/j.cnki.1009-6744.2014.02.032
中图分类号
U491 [交通工程与交通管理];
学科分类号
082301 [道路与铁道工程];
摘要
对应于整个路网的宏观基本图反映了路网宏观变量间一种可再现的稳定的函数关系,该关系仅取决于路网属性和控制策略本身,而不依赖于具体交通需求.而作为世界上最大的城市之一,北京市的道路交通有着独一无二的特征.利用现有的高密度检测器数据,绘制了北京市快速环路的宏观基本图,在宏观上分析了北京市的交通特征;发现了北京市快速环路宏观基本图中不同于现有理论的特征,即在网络占有率方差与网络流量的对应关系中,二者亦可表现出相同的趋势,如较低占有率方差与较低网络流量间的对应关系.通过分析各环路交通拥堵的演化过程,认为北京市由中心向外扩散的放射形拥堵过程是形成这种特殊关系的内在因素.
引用
收藏
页码:199 / 205
页数:7
相关论文
共 17 条
[1]
Hysteresis Phenomena of a Macroscopic Fundamental Diagram in Freeway Networks.[J].Nikolas Geroliminis;Jie Sun.Procedia - Social and Behavioral Sciences.2011,
[2]
The spatial variability of vehicle densities as determinant of urban network capacity [J].
Mazloumian, Amin ;
Geroliminis, Nikolas ;
Helbing, Dirk .
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 2010, 368 (1928) :4627-4647
[3]
Clockwise hysteresis loops in the Macroscopic Fundamental Diagram: An effect of network instability.[J].Vikash V. Gayah;Carlos F. Daganzo.Transportation Research Part B.2010, 4
[4]
Properties of a well-defined macroscopic fundamental diagram for urban traffic.[J].Nikolas Geroliminis;Jie Sun.Transportation Research Part B.2010, 3
[5]
Macroscopic relations of urban traffic variables: Bifurcations; multivaluedness and instability.[J].Carlos F. Daganzo;Vikash V. Gayah;Eric J. Gonzales.Transportation Research Part B.2010, 1
[6]
Derivation of a fundamental diagram for urban traffic flow [J].
Helbing, D. .
EUROPEAN PHYSICAL JOURNAL B, 2009, 70 (02) :229-241
[7]
An analytical approximation for the macroscopic fundamental diagram of urban traffic [J].
Daganzo, Carlos F. ;
Geroliminis, Nikolas .
TRANSPORTATION RESEARCH PART B-METHODOLOGICAL, 2008, 42 (09) :771-781
[8]
Existence of urban-scale macroscopic fundamental diagrams: Some experimental findings [J].
Geroliminis, Nikolas ;
Daganzo, Carlos F. .
TRANSPORTATION RESEARCH PART B-METHODOLOGICAL, 2008, 42 (09) :759-770
[9]
Statistical features of traffic flow on urban freeways.[J].Wei Guan;Shuyan He.Physica A: Statistical Mechanics and its Applications.2007, 4
[10]
Statistical Features and Phase Identification of Traffic Flow on Urban Freeway.[J].Wei GUAN;Shuyan HE.Journal of Transportation Systems Engineering and Information Technology.2007, 5