Journal of Transportation Engineering, Part A: Systems: Recent submissions
Now showing items 1021-1040 of 4147
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Influence of Smartphone Apps with Driving Safety Related Diagnosis Functions on Expressway Driving Speed Changes
(American Society of Civil Engineers, 2018)An increasing number of smartphone apps with driving safety diagnosis functions have been developed in the market; however, empirical evidence on whether these apps are actually effective in promoting road safety or not ... -
Operational Vertical Bending Stresses in Rail: Real-Life Case Study
(American Society of Civil Engineers, 2018)Train-mounted vertical track deflection (VTD) measurements offer new opportunities for estimating rail bending stresses over long distances. The estimations are possible because of mathematical correlations among rail ... -
Optimization of Bus Depot Location with Consideration of Maintenance Center Availability
(American Society of Civil Engineers, 2018)Congested cities rely on public bus transportation services for a high share of its urban mobility. Unplanned disruptions to these services, their availability, and response time have significant impacts on passengers’ ... -
Feasibility of Using a Constant Acceleration Rate for Freeway Entrance Ramp Acceleration Lane Length Design
(American Society of Civil Engineers, 2018)When estimating the required acceleration length of vehicles accelerating from a stopped position, a constant acceleration rate is sometimes assumed for the sake of simplicity. Nevertheless, to date there is no clear-cut ... -
Identifying and Classifying Highway Bottlenecks Based on Spatial and Temporal Variation of Speed
(American Society of Civil Engineers, 2018)In this paper, we develop a novel approach to identify bottlenecks on highways using probe data collected by commercial global positioning system (GPS) fleet management devices installed in trucks. Further, the bottlenecks ... -
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(American Society of Civil Engineers, 2018) -
Assessing Whole-Life Carbon Footprint of Under Sleeper Pad Installation for Ballasted Track
(American Society of Civil Engineers, 2018)Increasing awareness of the problems posed by anthropogenic climate change in recent decades has led to growing concerns over the level of carbon emissions attributable to travel, transport, and infrastructure development. ... -
Impacts of Winter Weather on Bus Travel Time in Cold Regions: Case Study of Harbin, China
(American Society of Civil Engineers, 2018)Weather is an important contributing factor for bus operations. It is essential to develop a weather-responsive bus scheduling system to improve the level of bus service. Bus travel time is a significant factor to be ... -
Intersection Control Optimization for Automated Vehicles Using Genetic Algorithm
(American Society of Civil Engineers, 2018)With wireless communication and autonomous vehicle control capabilities, automated vehicle technology has the potential to improve the performance of an intersection. The objective of this research was to develop an ... -
Saving Lives through Faster Emergency Unit Response Times: Role of Accessibility and Environmental Factors
(American Society of Civil Engineers, 2018)Road crash fatalities and debilitating injuries are preventable, both before and after the crash occurrence. The provision of medical care in cases of road crashes is among the most defining elements in trauma handling, ... -
New Framework for Automatic Identification and Quantification of Freeway Bottlenecks Based on Wavelet Analysis
(American Society of Civil Engineers, 2018)As the amount of traffic congestion continues to grow, pinpointing freeway bottleneck locations and quantifying their impacts are crucial activities for traffic management and control. Among the previous bottleneck ... -
Evaluating the Operational Footprint of Alternative Diamond Interchanges
(American Society of Civil Engineers, 2018)Queue spillback onto the freeway mainlines and the interactions with the adjacent intersections can have adverse impacts on traffic operation and safety, whereby the freeway becomes an expensive substitute for storing ... -
Using On-Board Diagnostic and Global Positioning System to Price Emissions from On-Road Heavy-Duty Vehicles
(American Society of Civil Engineers, 2018)Economists have long urged governments to use Pigouvian taxes to efficiently reduce emissions. This has rarely happened, mostly because until now, technology has not existed to precisely measure in-use emissions by location ... -
Surrogate Safety Assessment of Work Zone Rear-End Collisions in a Connected Vehicle Environment: Agent-Based Modeling Framework
(American Society of Civil Engineers, 2018)This paper presents an agent-based modeling and simulation (ABMS) framework to evaluate the safety performance impacts of connected vehicle (CV) technologies in a work zone setting. This research is primarily motivated by ... -
Recurrence Theory–Based Platoon Analysis under Indian Traffic Conditions
(American Society of Civil Engineers, 2018)The phenomenon of platoon dispersion deals with the spreading out of groups of vehicles discharged together from a signal (platoon) as they move along the roadway during normal traffic operations. Understanding and analyzing ... -
Maintenance Scheduling for Railway Tracks under Limited Possession Time
(American Society of Civil Engineers, 2018)Maintenance planning for busy railway systems is challenging because there is growing pressure on increasing operation time, which reduces the infrastructure-accessible time for maintenance. This paper proposes an optimization ... -
Deviation between Actual and Shortest Travel Time Paths for Commuters
(American Society of Civil Engineers, 2018)This study evaluates routes followed by residents of the Minneapolis–St. Paul metropolitan area, as measured by the Global Positioning System (GPS) component of the 21/11 Twin Cities Travel Behavior Inventory (TBI). It ... -
Multiscale Vehicular Expected Crashes Estimation with the Unnormalized Haar Wavelet Transform and Poisson’s Unbiased Risk Estimate
(American Society of Civil Engineers, 2018)In this paper, we present a multiscale approach to estimate the expected number of traffic crashes, (referred to here as expected crashes) from observed crash frequency data using the unnormalized Haar wavelet transform. ... -
Comparison of Public Transport Network Design Methodologies Using Solution-Quality Evaluation
(American Society of Civil Engineers, 2018)Because of the expected shift from ordinary to autonomous vehicles, the role of public transport (PT) will have to be enhanced, and thus there is a need to pay more attention to its design procedures and evaluation processes. ... -
Policy Implications of Work-Trip Mode Choice Using Econometric Modeling
(American Society of Civil Engineers, 2018)Transportation agencies seek comprehensive policies and planning to overcome urban congestion and manage transportation demand with due cognizance of traveler behavior. This research develops a travel behavioral model for ...