Institute for Transportation Research and Education
Works Published in 2021
Displaying works 1 - 20 of 37 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2021 article proceedings
The Effects of Connectivity on Intersection Operations with “White Phase”
The Effects of Connectivity on Intersection Operations with “White Phase.” Presented at the 2021 IEEE International Intelligent Transportation Systems Conference (ITSC).
Event: 2021 IEEE International Intelligent Transportation Systems Conference (ITSC)
TL;DR:
The results indicate that average delay decreases as the CAV market share and level of connectivity increase, and the problem is formulated as an optimization model and solved using a receding horizon framework.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(OpenAlex)
Sources: Crossref, ORCID
Added: September 18, 2023
2021 report
Education on Proper Use of Safety Belts on School Buses
(No. DTNH22-16-R-00031; pp. 22–16– –00031). National Highway Traffic Safety Administration.
Source: NC State University Libraries
Added: October 28, 2022
2021 report
Indirect Effects of School Bus Seat Belt Install
(No. DTNH22-17-D-00040). National Highway Traffic Safety Administration.
Source: NC State University Libraries
Added: October 28, 2022
2021 report
School Traffic Trip Generation Calculator Evaluation and Data Collection
North Carolina Department of Transportation.
Source: NC State University Libraries
Added: October 28, 2022
2021 report
NCDOT Statewide Customer Service Survey 2019-20
North Carolina Department of Transportation.
Source: NC State University Libraries
Added: October 28, 2022
2021 report
Development of Safety Benefit Factors for New Location and Widening Projects for Use in the Strategic Transportation Investment Scoring Process
North Carolina Department of Transportation.
Source: NC State University Libraries
Added: October 28, 2022
2021 report
Bicycle Volume: Counting Machine Validation & Correction, Estimating & Forecasting, and Analysis of Injury Risk
Bicycle Volume: Counting Machine Validation & Correction, Estimating & Forecasting, and Analysis of Injury Risk. https://connect.ncdot.gov/projects/research/RNAProjDocs/RP2020-43%20-%20Final%20Report.pdf
Contributors: S. Searcy
Source: ORCID
Added: August 24, 2022
2021 report
State-of-the-Art Approaches to Bicycle and Pedestrian Counters
https://connect.ncdot.gov/projects/research/RNAProjDocs/RP2020-39%20Final%20Report.pdf
Contributors: S. Searcy
Source: ORCID
Added: August 24, 2022
2021 article
A C-V2X Platform Using Transportation Data and Spectrum-Aware Sidelink Access
2021 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN, AND CYBERNETICS (SMC), pp. 1293–1298.
TL;DR:
A cellular vehicle-to-everything (C-V2X) verification platform based on an actual traffic simulator and spectrum-aware access that can effectively train and realize DL-based C-V1X algorithms and validates its practicality in real-world vehicular environments.
(via Semantic Scholar)
arxiv.org (repository)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: July 5, 2022
2021 article
Traffic Signal Timing and Trajectory Optimization in a Mixed Autonomy Traffic Stream
Tajalli, M., & Hajbabaie, A. (2021, February 17). IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS, Vol. 2.
author keywords: Timing; Trajectory optimization; Fuels; Delays; Complexity theory; Vehicle dynamics; Green products; Signal timing; trajectory optimization; connected and automated vehicles; Lagrangian relaxation
TL;DR:
The developed methodology provides a balance between computational efficiency and solution quality by linearizing the nonlinear constraints and reformulating the problem with a tight convex hull of the mixed-integer solutions and decomposing the intersection-level program into several lane-level programs.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, ORCID
Added: January 3, 2022
2021 article
An Enhanced Cell Transmission Model for Multi-Class Signal Control
Bin Al Islam, S. M. A., & Hajbabaie, A. (2021, August 10). IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS, Vol. 8.
author keywords: Automobiles; Optimization; Process control; Linear programming; Transportation; Real-time systems; Loading; Multi-class cell transmission model; transit signal priority; signal timing optimization; traffic light control
TL;DR:
Constraints to project the position of transit vehicles based on the speed and cell occupancy variations between different classes of vehicles and incorporates them into the multi-class CTM are presented.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: January 3, 2022
2021 article
Digital Twin Framework for Machine Learning-Enabled Integrated Production and Logistics Processes
ADVANCES IN PRODUCTION MANAGEMENT SYSTEMS: ARTIFICIAL INTELLIGENCE FOR SUSTAINABLE AND RESILIENT PRODUCTION SYSTEMS, APMS 2021, PT I, Vol. 630, pp. 218–227.
author keywords: Production scheduling; Supplier risk; Digital twin; Machine learning
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(Web of Science)
12. Responsible Consumption and Production
(Web of Science)
Source: Web Of Science
Added: November 23, 2021
2021 journal article
Impact of Using Drones in Emergency Medicine: What Does the Future Hold?
OPEN ACCESS EMERGENCY MEDICINE, 13, 487–498.
author keywords: drone; unmanned aerial vehicle; emergency medicine; emergency medical services
TL;DR:
Drones are a promising technology for improving patient survival, outcomes, and quality of life, particularly for those in areas that are remote or that lack funds or infrastructure, make them particularly applicable in the field of emergency medicine.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: November 17, 2021
2021 article
Evaluating connected vehicle-based weather responsive management strategies using weather-sensitive microscopic simulation
Jiang, Q., Nian, D., Guo, Y., Ahmed, M., Yang, G., & Ma, J. (2021, October 6). JOURNAL OF INTELLIGENT TRANSPORTATION SYSTEMS, Vol. 10.
author keywords: Analysis; connected vehicles (CV); early lane change; forward collision warning; modeling; and simulation (AMS); variable speed limit; weather responsive management strategies (WRMS)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, ORCID
Added: November 8, 2021
2021 journal article
Capacity Analysis Framework for Freeway Ramp Weaves
JOURNAL OF TRANSPORTATION ENGINEERING PART A-SYSTEMS, 147(12).
author keywords: Highway capacity manual; Freeway weaving analysis; Freeway systems analysis
TL;DR:
The Highway Capacity Manual 6th Edition provides methods for evaluating freeway segments and facilities, including weave segments, including weaving segments, which cast doubt on the validity of previous research.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: November 1, 2021
2021 journal article
Connected automated vehicle control in single lane roundabouts
Transportation Research Part C: Emerging Technologies, 131, 103308.
author keywords: Roundabout; Connected and automated vehicles; Trajectory; Convexification; Optimization; Alternating direction method of multipliers; Model predictive
TL;DR:
An optimization problem that includes vehicle dynamics and collision-avoidance constraints with explicit representation of vehicle paths is formulated and it is shown that iterating between the two sub-problems leads to convergence to the optimal solutions of the convexified problem.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, ORCID, Crossref
Added: October 18, 2021
2021 journal article
A fuel savings and benefit analysis of reducing separation standards in the oceanic airspace managed by the New York Air Route Traffic Control Center
TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW, 152.
author keywords: Satellite-based surveillance and communication; Reduced separation standards in oceanic airspace; Flight simulation; Fuel savings and benefits; Air traffic controller and pilot workload
TL;DR:
A model that simulates the activities of aircraft, pilots, and air traffic controllers at the microscopic level to study the benefits of reducing the separation standards among flights in the oceanic airspace managed by the New York Air Route Traffic Control Center based on satellite-based technologies is developed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: October 4, 2021
2021 journal article
Examination of Temporal, Classification, and Population Impacts of Flight Operations at Airports in the United States during the COVID-19 Pandemic
JOURNAL OF TRANSPORTATION ENGINEERING PART A-SYSTEMS, 147(12).
TL;DR:
The objective of this paper is to explore the temporal effects of the COVID-19 pandemic on flight operations at airports in the US, in addition to an examination of the differences among various classifications of airports.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: ORCID, Web Of Science
Added: September 23, 2021
2021 article
Dynamically Collected Local Density using Low-Cost Lidar and its Application to Traffic Models
Avr, A., Tanvir, S., Rouphail, N. M., & Ahmed, I. (2021, May 6). TRANSPORTATION RESEARCH RECORD, Vol. 5.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: August 30, 2021
2021 journal article
Toward a rational and ethical sociotechnical system of autonomous vehicles: A novel application of multi-criteria decision analysis
PLOS ONE, 16(8).
MeSH headings : Accidents, Traffic / prevention & control; Attitude; Automation / ethics; Automation / legislation & jurisprudence; Automobile Driving / psychology; Autonomous Vehicles / ethics; Autonomous Vehicles / legislation & jurisprudence; Decision Support Techniques; Humans; Models, Statistical; Morals; Ownership / economics; Surveys and Questionnaires
TL;DR:
The results suggest that two of these scenarios, namely regulated privately-owned introduction or fleet ownership or autonomous vehicles would be less likely to cause harm than either the status quo or the unfettered options.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 30, 2021
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