摘要
基于VISSIM交通仿真软件可重复性和可延续性的特点,以高速公路交通流运行特征作为分析对象,对通行能力仿真研究的关键参数进行标定与评价.并以标定的VIS-SIM作为平台建立典型的高速公路基本路段仿真模型,再现复杂交通条件下的车流运行特性以及影响通行能力各参数的度量指标.对比现行高速公路服务水平分级标准,分析了产生差别的原因,并由此推算出分级服务水平下的通行能力和交通流临界密度.
Based on the repeatability and the characteristics of the continuity of VISSIM, this paper calibrated the key parameters of the capacity according to the characteristics of the traffic flow of expressways. Based on the calibrated typical basic sections of expressways, the model reproduced the traffic impact under the complex traffic conditions, as well as the measurement indicators which affected the various parameters of the performance of sections of capacity. Compared with the existing standards of the level of service of expressways, the paper analyzed the cause of the difference, and then calculated the capacity and the critical density of each level.
出处
《湖南大学学报(自然科学版)》
EI
CAS
CSCD
北大核心
2009年第6期7-12,共6页
Journal of Hunan University:Natural Sciences
基金
广东省交通厅科技计划资助项目(GDJT200628)
关键词
高速公路
交通仿真
路段
标定
通行能力
临界密度
highway
traffic simulation
sections
calibration
capacity
critical density