Journal of Transportation Engineering, Part A: Systems: Recent submissions
Now showing items 581-600 of 4147
-
Operating Speed Prediction Models by Vehicle Type on Two-Lane Rural Highways in Indian Hilly Terrains
(ASCE, 2022-01-10)The present study aims to develop vehicle type-wise operating-speed prediction (OSP) models for heterogeneous traffic on two-lane rural highways in Indian hilly terrains. For the present study, 27 curves with varying ... -
Mixed Optimization on Vehicle Scheduling and Recharge Scheduling of Plug-In Electric Buses with Consideration of Partial Recharge
(ASCE, 2021-12-06)This paper investigates a mixed optimal scheduling problem of an electric bus fleet and charging infrastructure based on the plug-in charging mode. Partial recharging and shifting the recharge start time are allowed in ... -
Comparing the New Double Contraflow Intersection to Conventional and Alternative Intersections
(ASCE, 2021-12-28)This paper introduced a new intersection design, the double contraflow intersection (DCI), that could help at big, busy suburban sites, and explored how well it would work. The DCI uses contraflow left turn lanes on each ... -
From Search-for-Parking to Dispatch-for-Parking in an Era of Connected and Automated Vehicles: A Macroscopic Approach
(ASCE, 2021-12-06)The advantage of self-relocation of connected and automated vehicles (CAVs) can eliminate heavy searching-for-parking traffic in areas with limited parking availability. However, the floating trips will exacerbate local ... -
Spatiotemporal Heterogeneity Analysis of Influence Factor on Urban Rail Transit Station Ridership
(ASCE, 2021-12-09)Urban rail transit has effectively alleviated the pressure on road traffic. To explore the key influence factors that a rail station’s built environment has on passenger flow and its heterogeneity along with temporal and ... -
Investigating Factors of Crash Rates for Freeways: A Correlated Random Parameters Tobit Model with Heterogeneity in Means
(ASCE, 2021-12-11)Previous studies used to estimate count-data models for the investigation of crash factors. In this study, an alternative method based on Tobit regression by simply viewing crash rates as a continuous variable was explored. ... -
Three Methods of PCU Estimation at Signalized Intersections under Mixed Traffic with UAV Monitoring Data
(ASCE, 2021-12-17)Estimation of passenger car unit (PCU) values is very important for traffic capacity analysis and other relevant applications such as determining the saturation flow rate and signal design. However, the usual methods are ... -
Improved DTTE Method for Route-Level Travel Time Estimation on Freeways
(ASCE, 2021-12-07)Travel time estimation plays an important role in advanced traveler information systems (ATIS) for dynamic traffic management. Static travel time estimation (STTE) and dynamic travel time estimation (DTTE) are two of the ... -
Mobility Impacts of Ramp Metering Operations on Freeways
(ASCE, 2021-11-30)Transportation agencies are implementing traffic management strategies to improve mobility and safety on freeways. Ramp metering is a traffic management strategy deployed to mitigate congestion on freeways by using traffic ... -
Challenges and Opportunities of Emerging Data Sources to Estimate Network-Wide Bike Counts
(ASCE, 2021-12-28)Emerging sources of mobile location data such as Strava and other phone-based apps may provide useful information for assessing bicycle activity on each link of a network. Despite their potential to complement traditional ... -
Social Distance Modeling on the Copenhagen, Denmark, Metro
(ASCE, 2021-11-22)Public transport is a critical service in Copenhagen, Denmark, because many residents do not own a car, and in any event, car travel is not practical in the city center due to narrow roads and lack of parking. In response ... -
Enhancing Work Zone Capacity by a Cooperative Late Merge System Using Decentralized and Centralized Control Strategies
(ASCE, 2021-11-24)This paper explores the efficiency of a novel merging system based on a cooperative late merge strategy (CLMS) to mitigate the capacity reduction in work zones due to lane closure. Cooperative late merge strategies in ... -
<i>Highway Capacity Manual</i> Capacity Adjustment Factor Development for Connected and Automated Traffic at Signalized Intersections
(ASCE, 2021-12-23)Connected and automated vehicles (CAVs) will potentially improve transportation system performance. Guidance on the capacity impact of CAVs at different market penetration rates (MPRs) will help agencies to incorporate the ... -
Impacts of COVID-19 Pandemic on Travel Behavior in Large Cities of China: Investigation on the Lockdown and Reopening Phases
(ASCE, 2021-11-17)The COVID-19 pandemic has caused worldwide lockdowns and similar containment measures aiming to curb the spread of the virus. Lockdown measures have been implemented in cities amid the COVID-19 outbreak. After the pandemic ... -
Empirical Verification of Car-Following Parameters Using Naturalistic Driving Data on Freeway Segments
(ASCE, 2021-11-25)Microscopic traffic simulation is a well-established tool for the analysis of transportation systems, with a wide variety of applications in operations, safety, and planning. An essential component of traffic simulation ... -
Disentangling City-Level Macroscopic Traffic Performance Patterns through a Trigonometric Multiseasonal Filtering Algorithm: Inspiration from Big Data of Ride-Sourcing Trips
(ASCE, 2021-12-23)This study seeks to design a city-level trip speed performance index (CTSPI) providing an alternative aspect in quantifying the traffic performance of an entire city. Another objective is to disentangle the original CTSPI ... -
Capacity Estimation of Advance Right-Turn Motor Vehicles Considering Nonstrict Priority Crossing Behaviors under Mixed-Traffic Conditions
(ASCE, 2021-12-09)The use of channelized islands to optimize the operation of advance right-turn motor vehicles (ARTMVs) is an effective intersection design method. To overcome the limitations of previous models with respect to the ... -
Advancing Railway Asset Management Using Track Geometry Deterioration Modeling Visualization
(ASCE, 2021-11-24)Railway tracks need to be monitored to ensure safe operations and cost-effective maintenance. The monitoring is commonly conducted using a track recording car that describes deviations from an ideal track geometry. Over ... -
Transferability of Urban Arterial Safety Performance Functions between Shanghai and Guangzhou, China
(ASCE, 2021-12-02)Safety performance functions (SPFs) are used in roadway infrastructure safety management for purposes such as crash contributing factor analysis and hazardous roadway section identification. However, due to the lack of ... -
A Random Effects Model for Travel-Time Variability Analysis Using Wi-Fi and Bluetooth Data
(ASCE, 2021-11-24)This study examined variations in travel time through a random-effects model using Wi-Fi and Bluetooth data. Previous studies mainly divided a day into discrete time windows and estimated an individual distribution function ...