A modified floor field model is proposed to simulate the pedestrian evacuation behavior in a room with multiple exits by considering the direction visual field. Direction visual field is used to describe the pedestrian’s prediction on the propagation of pedestrian flow along some directions....

The route choice of pedestrians during evacuation under conditions of both good and zero visibility is investigated using a group of experiments conducted in a classroom, and a microscopic pedestrian model with discrete space representation. Observation of the video recordings made during the...

We present a method of predicting pedestrian route choice behavior and physical congestion during the evacuation of indoor areas with internal obstacles. Under the proposed method, a network is first constructed by discretizing the space into regular hexagonal cells and giving these cells...

To study the complex environmental characteristics of the modern Yellow River Delta (YRD), the interferometric synthetic aperture radar (InSAR) time series analysis technique based on 39 ERS1/2 SAR images was applied to obtain the spatial distribution and temporal changes of ground displacement...

Multilane widely exists in the urban traffic system and its traffic flow is more complex than the single-lane traffic flow since it may be affected by each lane’s width, the number of lanes and lane-changing. In this paper, we first use empirical data to study the impacts of lane width and the...

This paper introduces a bi-objective turning restriction design problem (BOTRDP), which aims to simultaneously improve network traffic efficiency and reduce environmental pollution by implementing turning restrictions at selected intersections. A bi-level programming model is proposed to...

Horowitz (1989) proposed a modification of Evans' algorithm for solving the combined trip distribution and assignment model with a reduction in computational time and memory, but without proof of convergence. It is shown here that his modified algorithm does not always converge to the optimal...

This paper proposes a time-dependent network equilibrium model that simultaneously considers a traveler's choice of departure time, route, parking location and parking duration in road networks with multiple user classes and multiple parking facilities. In the proposed model, travelers are...

A freeway or expressway corridor where all vehicles travel to the same destination such as the city centre is considered in this article, similar to the morning commute problem. A continuous time optimal control model that deals with the dynamic user optimal assignment for multiple origins and...

A combined trip distribution and assignment model for multiple user classes has been formulated by Lam and Huang (1992). We discuss here its calibration and show how to choose a suitable set of model parameters by using supplementary information. We show that each of the quantities--the mean...