Journal of Transportation Engineering, Part A: Systems: Recent submissions
Now showing items 701-720 of 4147
-
Estimation Method of Intersection Signal Cycle Based on Empirical Data
(ASCE, 3/1/2021)The signal cycle plays an important role in the design of timing optimization and evaluation for a signal intersection. However, in some cities, there is a lack of unified management of intelligent transportation system, ... -
Developing a Practical Method to Compute State-Level Bus Occupancy Rate
(ASCE, 6/1/2021)This work supported the Federal Highway Administration (FHWA) in presenting state and metropolitan area vehicle occupancy information in compliance with Title 23 of the US Code of Federal Regulations, Part 490 National ... -
Impact of CAV Truck Platooning on HCM-6 Capacity and Passenger Car Equivalent Values
(ASCE, 2/1/2021)Recently, there has been a significant amount of research related to heavy trucks operating as connected and autonomous vehicles (CAVs). As argued in this paper, to understand the potential impact on the freeway system of ... -
New Model of Travel-Time Prediction Considering Weather Conditions: Case Study of Urban Expressway
(ASCE, 3/1/2021)In the prediction problem of urban expressway travel time, in addition to the influence of traffic flow characteristics on travel time, the influence of various traffic environmental factors makes the change of traffic ... -
Retracted: Uncontrolled Intersection Operational Assessment under Mixed Traffic Conditions
(ASCE, 3/1/2021)The objective of this paper is to develop motorized level of service models using advanced heuristic techniques like functional networks, ordered probit analysis, and multivariate autoregressive spline for uncontrolled ... -
Estimations of Vertical Rail Bending Moments from Numerical Track Deflection Measurements Using Wavelet Analysis and Radial Basis Function Neural Networks
(ASCE, 2/1/2021)A method for estimating rail bending moments from relative vertical track deflection data measured by a train-mounted measurement system is presented in this paper. The novelty of the current study is that complete estimations ... -
How Connected and Automated Vehicle–Exclusive Lanes Affect On-Ramp Junctions
(ASCE, 2/1/2021)Connected and automated vehicle (CAV) exclusive lanes are an important application of intelligent transportation technologies on highways. However, current research on CAV exclusive lanes mainly focuses on basic road ... -
Method for Using Nonmotorized Modes of Transportation as a Sustainable Urban Mobility Index in University Campuses
(ASCE, 2/1/2021)The use of nonmotorized modes of transportation, mainly cycling and walking, is essential for a sustainable transportation system. University campuses, considered important trip generation hubs (TGHs), because they promote ... -
Traffic Signal Retiming to Improve Corridor Performance
(ASCE, 1/1/2021)Traffic signal retiming involves periodically updating existing signal coordination plans of signalized corridors. Nevertheless, there are still several limitations with the current signal retiming practice, such as managing ... -
Impact of the Safe Routes to School Program: Comparative Analysis of Infrastructure and Noninfrastructure Measures in Indiana
(ASCE, 1/1/2021)The Safe Routes to School (SRTS) program apportions funding for safety interventions aimed at encouraging walking and bicycling as viable transportation modes to school. Initially, the SRTS program (2006–2012) allocated ... -
Investigation of Crossing Conflicts by Vehicle Type at Unsignalized T-Intersections under Varying Roadway and Traffic Conditions in India
(ASCE, 2/1/2021)The study attempts to investigate crossing conflicts at unsignalized T-intersections under mixed traffic conditions using post encroachment time (PET) as a surrogate safety measure (SSM). To comprehend the objective, data ... -
Active Strategy to Improve the Right-Turn Capacity at Signalized Intersections
(ASCE, 1/1/2021)Conflicts between the right-turn vehicles and crossing pedestrians at signalized intersections not only endanger pedestrians, but also impede the ability of vehicles to execute their runs. The strategy proposed in this ... -
New Geometric Design Approach to Reduce Vehicle’s Speed in Accident-Prone Downgrade Highways Using Dynamic Vehicle Modeling
(ASCE, 1/1/2021)Steep downgrades are known as a part of mountain roads with a significant number of severe crashes. Generally, using speed limiters such as speed bumps and speed humps are considered the most effective (considering both ... -
Highway Cost Analysis for Platooning of Connected and Autonomous Trucks
(ASCE, 1/1/2021)If connected and autonomous vehicles use highways under current lane management policy, only partial benefit can be reaped from the platooning of advanced vehicles. Agencies may have to update the existing policy in the ... -
Multiagent System–Based Near-Real-Time Trajectory and Microscopic Timetable Optimization for Rail Transit Network
(ASCE, 2/1/2021)In the rail transit field, the practical operation process suffers from potential energy waste caused by disturbances. The present paper proposes a multiagent system (MAS) to reduce rail transit energy consumption when ... -
Deterministic and Stochastic Capacity in Work Zones: Findings from a Long-Term Work Zone
(ASCE, 1/1/2021)This paper describes the development of a breakdown probability model for a long-term work zone in a suburban area. It was found that the Gompertz distribution best describes the breakdown probability at a work zone. In ... -
Traffic Flow Estimation Based on Toll Ticket Data Considering Multitype Vehicle Impact
(ASCE, 2/1/2021)Traffic flow estimation (TFE) plays an important role in transportation systems, especially in relation to the detection, planning, and management of traffic for expressway systems. However, traditional approaches to TFE ... -
Snowplow Truck Performance Assessment and Feature Importance Analysis Using Machine-Learning Techniques
(ASCE, 2/1/2021)Snowplow trucks serve a crucial role in winter maintenance activities by removing, loading, and disposing of snow. A performance-monitoring and analysis process can assist transportation agencies in effectively managing ... -
Application of Random Effects Nonlinear Model for Analyzing Motorized and Nonmotorized Traffic Safety Performance
(ASCE, 1/1/2021)In this paper, we investigated the influence of the cross-sectional characteristics of bicycle lanes on motorized and nonmotorized traffic safety. The safety effects of bicycle lanes with different widths were assessed ... -
Lane Group–Based Traffic Model for Assessing On-Ramp Traffic Impact
(ASCE, 2/1/2021)On-ramp merging areas are congestion-prone segments of freeways. Depending on the aggressiveness of the driving population and the congestion level, the speed variance among travel lanes due to lane changes and ramp-merging ...