Journal of Transportation Engineering, Part A: Systems: Recent submissions
Now showing items 601-620 of 4147
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Allocation of Student Parking Permits across a University Campus Based on Course Registration and Schedule
(ASCE, 2021-11-08)Most universities manage student parking demand by grouping parking lots into zones and selling as many parking permits as possible by the zones. This paper describes this problem as the university student parking permit ... -
A Multisource Data Approach for Estimating Vehicle Queue Length at Metered On-Ramps
(ASCE, 2021-12-13)Queue length information is a critical input for ramp metering management. Based on accurate and reliable queue length, the inflow rate can be optimized to maximize the benefit of ramp metering. This paper proposes a queue ... -
Proposed Equations for HCM-6 Passenger Car Equivalent Values
(ASCE, 2021-11-12)In the current version of the Highway Capacity Manual (HCM-6), the equal capacity passenger car equivalency (EC-PCE) method is used to account for the effect of trucks for capacity analyses. The EC-PCEs for freeway segments ... -
Quantifying the Safety Benefits of Transit Signal Priority Using Full Bayes Before–After Study
(ASCE, 2021-11-05)Transit signal priority (TSP) is a strategy that prioritizes the movement of transit vehicles through a signalized intersection to minimize transit delay and improve travel time reliability. Although the operational benefits ... -
Using Machine Learning to Estimate Pedestrian and Bicyclist Count of Intersection by Bluetooth Low Energy
(ASCE, 2021-11-03)Quantifying pedestrian and bicycle traffic is important for planning, investment, and safety improvements. Traffic agencies have implemented various pedestrian/bicyclist detection systems, but the accuracy is unsatisfactory ... -
Evaluating Costs and Benefits of Snow Fences in Illinois
(ASCE, 2021-10-28)Blowing and drifting snow is a major issue in cold regions. Properly designed snow fences have been proven effective in mitigating its negative impacts. Following Federal Highway Administration guidelines, this study ... -
Factors Affecting Injury Severity of Crashes in Freeway Tunnel Groups: A Random Parameter Approach
(ASCE, 2022-01-28)On mountainous freeways, some tunnels are located adjacent to each other, composing a tunnel group where the safety conditions are more challenging compared to a single tunnel. However, most of the existing studies have ... -
Spatiotemporal Analysis of Overloaded Vehicles on a Highway Using Weigh-in-Motion Data
(ASCE, 2021-10-18)The comprehensive coverage of weighing detection systems at the entry point of every highway in China in 2020 caused congestion and unsafe traffic. In this study, weigh-in-motion data on overloaded vehicles were obtained ... -
Optimal Network Design of Battery-Powered Electric Feeder Bus with Determination of Fleet Size and Number of Chargers
(ASCE, 2021-10-18)This paper investigates an optimization problem regarding feeder bus network design for metro stations, based on the wide use of battery-powered electric buses. To characterize the problem, a mixed integer programming model ... -
Integrated Travel Demand and Accessibility Model to Examine the Impact of New Infrastructures Using Travel Behavior Responses
(ASCE, 2021-10-18)The study aims to propose an integrated travel demand and accessibility model to examine the impact of new infrastructures on accessibility for households and employment. The cumulative opportunity measure and the spatial ... -
Identification of Creep Camber State of 32-m Box Girders on High-Speed Railway and Prediction of Geometry of Track over Girder
(ASCE, 2021-12-31)The creep camber of box girders significantly lowers track regularity, making it very important to perform track geometry precise adjustment or ballast tamping operations by maintenance machinery on box girder sections at ... -
Headway Distribution Considering Vehicle Type Combinations
(ASCE, 2021-12-23)To achieve more-accurate traffic simulation and autonomous vehicle control, increasing attention recently has been devoted to the analysis of car-following behavior considering leader–follower vehicle types. Firstly, on ... -
Multiobjective Optimization of Ballasted Track Maintenance Scheduling
(ASCE, 2021-10-30)This paper proposes a multiobjective optimization approach for a preventive maintenance scheduling problem. To model this problem, an optimization model was developed by considering two objective functions: minimizing ... -
Energy-Efficient Rail Transit Vertical Alignment Optimization: Gaussian Pseudospectral Method
(ASCE, 2021-11-03)Energy efficiency is an important research topic in rail transit operations. Energy-efficient vertical alignment is a practical consideration during the line design process. Proper vertical alignment can reduce the train ... -
Multistep Traffic Speed Prediction from Spatial–Temporal Dependencies Using Graph Neural Networks
(ASCE, 12/1/2021)Accurate traffic forecasting on citywide networks is one of the crucial urban data mining applications that accurately provide congestion warning and transportation scheduling. While previous work has made significant ... -
Effect of Redesigning Public Shared Space Amid the COVID-19 Pandemic on Physical Distancing and Traffic Safety
(ASCE, 11/1/2021)The concept of redesigning public spaces to encourage physical distancing amid the COVID-19 pandemic is being tested around the world. In Canada, municipalities are reallocating underutilized road lanes for active modes ... -
Traffic Volume Detection Using Infrastructure-Based LiDAR under Different Levels of Service Conditions
(ASCE, 11/1/2021)Light detection and ranging (LiDAR) technology is a key component of an autonomous vehicle’s sensing system. It also has the potential to be used at the roadside as a major infrastructure-based detection for connected and ... -
3D Modeling of Highway Guardrails for Sight Distance Assessment
(ASCE, 11/1/2021)Safety barriers limit the severe consequences to occupants of vehicles leaving the roadway from colliding with obstacles, yet they may significantly reduce the available sight distance (ASD). A procedure was devised to ... -
Disaggregating Variability in Projected Benefits of Transit State of Good Repair Due to Uncertainty of Travel Demand Forecasts
(ASCE, 11/1/2021)Maintaining transit infrastructure in a state of good repair (SGR) is key to improving the sustainability of urban transportation. Insufficient SGR investments lead to the deterioration of transit agency assets and to ... -
Improving Resilience of Bus Bunching Holding Strategy through a Rolling Horizon Approach
(ASCE, 10/1/2021)Providing public transportation with quality service is critical to attracting more passengers to the system. However, high-demand routes are prone to the so-called bus bunching—a tendency of buses to group as a consequence ...