Freeway Traffic Management and Control
نویسندگان
چکیده
منابع مشابه
Traffic Condition Detection in Freeway by using Autocorrelation of Density and Flow
Traffic conditions vary over time, and therefore, traffic behavior should be modeled as a stochastic process. In this study, a probabilistic approach utilizing Autocorrelation is proposed to model the stochastic variation of traffic conditions, and subsequently, predict the traffic conditions. Using autocorrelation of the time series samples of density and flow which are collected from segments...
متن کامل-‐ 1 -‐ an Integrated off - Ramp Control Model for Freeway Traffic Management
This study presents a mixed integer model for an integrated control between off-ramp and arterial traffic flows. The proposed study intends to minimize the queue spillback from offramp to the freeway mainline that may significantly degrade the performance quality of the entire freeway system. In this study, the Cell Transmission Model (1, 2) is employed to capture the traffic propagation on bot...
متن کاملNovel Freeway Traffic Control with Variable Speed Limit and Coordinated Ramp Metering
control freeway traffic in the United States, particularly in California. It is recognized that ramp metering can directly control the flow into the freeway (demand) and the average density immediately downstream, which indirectly affects the traffic upstream. After drivers enter the freeway, their collective behaviors are not controlled, which determines the traffic flow pattern. In addition, ...
متن کاملIncident Detection Algorithm using Wavelet Energy Representation of Traffic Patterns
Automatic freeway incident detection is an important component of advanced transportation management systems ~ATMS! that provides information for emergency relief and traffic control and management purposes. Earlier algorithms for freeway incident problems have produced less reliable results, especially in recurrent congestion and compression wave traffic conditions. This article presents a new...
متن کاملFreeway Traffic Management Using Linear Programming
We present in this paper a linear programming framework to address freeway control applications such as ramp metering. After showing the equivalence between the LWR model and a linear optimization problem, several extensions are introduced to model the ramp queues and the capacity drop phenomenon. A wide range of objective functions which are relevant in traffic engineering are then introduced ...
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تاریخ انتشار 2009