Journal of Transportation Engineering, Part A: Systems: Recent submissions

Now showing items 2741-2760 of 4147

    • Assessment of Three Simulation Models for Diamond Interchange Analysis 

      Sangsoo Lee; Carroll J. Messer; Youngtae Oh; Choulki Lee (American Society of Civil Engineers, 2004)
      The performance of three traffic analysis tools:

    • Performance Evaluation of Adaptive Ramp-Metering Algorithms Using Microscopic Traffic Simulation Model 

      Lianyu Chu; Henry X. Liu; Will Recker; H. Michael Zhang (American Society of Civil Engineers, 2004)
      Adaptive ramp metering has undergone significant theoretical developments in recent years. However, the applicability and potential effectiveness of such algorithms depend on a number of complex factors that are best ...

    • Multiple-Vehicle Origin–Destination Matrix Estimation from Traffic Counts Using Genetic Algorithm 

      Seungkirl Baek; Hyunmyung Kim; Yongtaek Lim (American Society of Civil Engineers, 2004)
      Existing methods for estimating origin–destination (O–D) matrix from link traffic counts cannot consider multiple-vehicle information, which is easily obtained from a field survey. Those methods use a single-vehicle ...

    • New Consistency Model for Rural Highways and Its Relationship to Safety 

      Abishai Polus; Caroline Mattar-Habib (American Society of Civil Engineers, 2004)
      The goal of the research was to study consistency of design on two-lane rural highways and to ascertain the existence of a relationship between consistency and safety level. The immediate objectives were to develop new, ...

    • Evaluation of Potential Transit Signal Priority Benefits along a Fixed-Time Signalized Arterial 

      Francois Dion; Hesham Rakha; Yihua Zhang (American Society of Civil Engineers, 2004)
      This paper presents the findings of a study evaluating the potential benefits of implementing transit signal priority along the Columbia Pike arterial corridor, in Arlington, Va. The study uses the

    • Scheduling of Lane Closures Using Genetic Algorithms with Traffic Assignments and Distributed Simulations 

      Wenteng Ma; Ruey Long Cheu; Der-Horng Lee (American Society of Civil Engineers, 2004)
      In past research, several versions of hybrid genetic algorithm–simulation methodology have been proposed for scheduling of multiple lane closures that aims to minimize a network’s total traffic delay. The genetic algorithm ...

    • Secondary Accident Rates on Los Angeles Freeways 

      James E. Moore, II; Genevieve Giuliano; Seongkil Cho (American Society of Civil Engineers, 2004)
      There is a prevailing assumption that Freeway Service Patrol (FSP) programs improve safety for unassisted motorists by reducing the likelihood of secondary accidents. This research identifies 84,684 accident records from ...

    • Event Data-Based Traffic Detector Validation Tests 

      Benjamin Coifman; Sudha Dhoorjaty (American Society of Civil Engineers, 2004)
      The accuracy of detector data is paramount for traffic surveillance, control, and information systems, yet little has been published on identifying or correcting errors in the data. This paper presents eight detector ...

    • Microscale Emission Models Incorporating Acceleration and Deceleration 

      Yi “Grace” Qi; Hualiang “Harry” Teng; Lei Yu (American Society of Civil Engineers, 2004)
      Even though the MOBILE5 model has been widely used in air-quality analysis, it cannot be used in the evaluation of transportation improvements that result in a reduction of vehicle acceleration or deceleration. In this ...

    • Intersection Construction Cost Functions for Alignment Optimization 

      Eungcheol Kim; Manoj K. Jha; Paul Schonfeld (American Society of Civil Engineers, 2004)
      A method for precisely formulating intersection construction costs including earthwork costs, right-of-way costs, and pavement costs is introduced in this paper. Intersection design characteristics are reviewed and ...

    • Dynamic User Equilibrium Traffic Assignment on Congested Multidestination Network 

      H. R. Varia; S. L. Dhingra (American Society of Civil Engineers, 2004)
      This paper presents the development of a dynamic user equilibrium (DUE) traffic-assignment model for the congested urban road network with signalized intersections. A simulation-based approach is employed for the case of ...

    • Integration Modeling Framework for Estimating Mobile Source Emissions 

      Hesham Rakha; Kyoungho Ahn (American Society of Civil Engineers, 2004)
      Transportation network improvements are commonly evaluated by estimating average speeds from a transportation/traffic model and converting them into emission estimates using an environmental model such as MOBILE or EMFAC. ...

    • Predicting Injury Severity Levels in Traffic Crashes: A Modeling Comparison 

      Mohamed A. Abdel-Aty; Hassan T. Abdelwahab (American Society of Civil Engineers, 2004)
      This paper investigates the use of two well-known artificial neural network (ANN) paradigms: the multilayer perceptron (MLP) and fuzzy adaptive resonance theory (ART) neural networks in analyzing driver injury severity. ...

    • Tool to Evaluate Safety Effects of Changes in Freeway Traffic Flow 

      Thomas F. Golob; Wilfred W. Recker; Veronica M. Alvarez (American Society of Civil Engineers, 2004)
      This research involves the development of a tool that can be used to assess the changes in traffic safety tendencies that result from changes in traffic flow. The tool uses data from single inductive loop detectors, ...

    • Three-Dimensional Model for Stop-Control Intersection Sight Distance 

      Said M. Easa; Essam Dabbour; Muhammad Z. A. Ali (American Society of Civil Engineers, 2004)
      Intersection sight distance (ISD) is the sight distance to be provided at intersections between a minor road and a major road. Current AASHTO policy provides an equation and charts for the required at-grade ISD so that a ...

    • Integrated Approach for Trip Matrix Updating and Network Calibration 

      G. Xu; W. H. K. Lam; K. S. Chan (American Society of Civil Engineers, 2004)
      Most transport models for short-term strategic planning are required to be calibrated with current planning parameters and updated traffic data. There are basically two steps involved in transport model calibration, namely, ...

    • Sizing the Baggage Claim Area for the New Large Aircraft 

      Alexandre G. de Barros; S. C. Wirasinghe (American Society of Civil Engineers, 2004)
      The introduction of a new generation of wide-bodied, double-decked aircraft known as new large aircraft is expected to have a heavy impact on the design and operation of the baggage claim area. This paper discusses an ...

    • Applications of Advanced Technologies in Transportation Engineering 

      Chris T. Hendrickson (American Society of Civil Engineers, 2004)
      Since the initial “Applications of Advanced Technologies in Transportation Engineering” conference in 1989, numerous examples of advanced technology applications have appeared. The need for such applications has grown, ...

    • Evaluating Field Performance: Case Study Including Hot Mix Asphalt Performance-Related Specifications 

      Adam J. Hand; Amy Epps Martin; Peter E. Sebaaly; Dean Weitzel (American Society of Civil Engineers, 2004)
      State highway agencies strongly desire to develop and use performance-related specifications (PRS) for highway construction. A PRS for hot mix asphalt (HMA) construction, titled HMA Spec, was recently developed as part of ...

    • Development and Calibration of Route Choice Utility Models: Neuro-Fuzzy Approach 

      Yaser E. Hawas (American Society of Civil Engineers, 2004)
      The neuro-fuzzy refers to the recent technology that couples the traditional fuzzy logic developments with neural nets training capabilities to compose the fuzzy logic’s knowledge base and fuzzy sets’ parameters optimally. ...