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Articles 1 - 30 of 4688
Full-Text Articles in Engineering
Comparing The Stiffness Of Cold In-Place Recycled Asphalt Pavement To Hot Mix Asphalt: Determining The Reproducibility Of The Stiffness Rebound Test, Tanner Turben
Civil Engineering Undergraduate Honors Theses
The Stiffness Raveling Mechanism Test (SRMT) was originally developed as an indirect measure of pavement stiffness to determine a pavement’s tendency to ravel, a type of damage. Regarding rehabilitation of existing roadways by Full Depth Reclamation (FDR) Cold In-Place Recycling (CIR), concern of field repeatability was expressed (Hill & Braham, 2016).
An analysis of lab-compacted samples of CIR and Hot Mix Asphalt (HMA) was performed to determine if the results could be reproduced between CIR and HMA. Additionally, the experiment observed the effects of percent air voids, temperature, and moisture conditioning on CIR and HMA. Three samples were prepared for ...
Design Of A Freight Transportation Outreach Curriculum, Breanna Stoesz
Design Of A Freight Transportation Outreach Curriculum, Breanna Stoesz
Civil Engineering Undergraduate Honors Theses
This project is centered around finding a solution to the shortage of truck drivers within the freight industry. Specifically, this project aims to lessen this shortage by ensuring potential future drivers are aware of the benefits of the industry and are encouraged to consider this career path for themselves. By producing an engaging and educational freight transportation curriculum for middle and high school students to go through in outreach programs, these students would have an increased likelihood of joining the trucking profession and encourage others to become informed about the profession as well. In addition to the direct driving role ...
Analyzing Vulnerabilities In The Northwest Arkansas Highway Network Using Mathematical Optimization, Brandon Jerome
Analyzing Vulnerabilities In The Northwest Arkansas Highway Network Using Mathematical Optimization, Brandon Jerome
Industrial Engineering Undergraduate Honors Theses
The highway and bridge network is a critical infrastructure that allows for the free transportation of citizens and enables truck-borne freight transportation. Disruption of this system could be caused by a terrorist attack, natural disaster, growth of population, required repairs and upgrades, or collapse caused by old age or malfunction. In the event of a disruption cities and regions can experience increased traffic and supply chain shortages, thus causing cascading effects throughout surrounding areas. With this motivation, we develop a network interdiction optimization model to identify a limited subset of roads that, if disrupted, causes the greatest increase in the ...
Determining Earthquake Impacts On Arkansas' Roadway Network: An Application Of Hazus., Simon Rothwell
Determining Earthquake Impacts On Arkansas' Roadway Network: An Application Of Hazus., Simon Rothwell
Civil Engineering Undergraduate Honors Theses
Natural hazards are a dangerous and unpredictable aspect of life on earth. They can cause devastating damage to our surroundings that makes movement of people, goods, and emergency services difficult. There is a need to plan for these disasters to ensure that damages to our infrastructure and people are minimized. It can be difficult for planners to determine which parts of a roadway network are most vulnerable to a specific disaster and what their impact on the rest of the network may be. This thesis uses a nationally available natural disaster estimation tool developed by FEMA called “Hazus” (FEMA, 2020 ...
Community Transportation Needs And Willingness To Use Shared Micromobility: A Case Study Of Fort Smith, Arkansas, Anthony Michael Kammerer
Community Transportation Needs And Willingness To Use Shared Micromobility: A Case Study Of Fort Smith, Arkansas, Anthony Michael Kammerer
Civil Engineering Undergraduate Honors Theses
Shared micromobility is utilized in “targeted service areas with the usage generally intended for short trips such as "first- and last-mile" connections to complete trips made via other modes, including transit” (Price et al., 2021). In the United States, this practice has especially taken off with the implementation of sharing-based systems. This is evidenced by ridership numbers in the United States growing from 84 million riders nationwide in 2018 to 136 million riders in 2019 (NACTO, 2020). Users often use their smart phone or another similar device to unlock the vehicle after paying a fee on the device through their ...
Protecting Our Community From The Hidden Vulnerabilities Of Today’S Intelligent Transportation Systems, Shahab Tayeb
Protecting Our Community From The Hidden Vulnerabilities Of Today’S Intelligent Transportation Systems, Shahab Tayeb
Mineta Transportation Institute Publications
The ever-evolving technology interwoven into the transportation industry leaves it frequently at risk for cyber-attacks. This study analyzes the security of a common in-vehicle network, the Controller Area Network (CAN), standard in most vehicles being manufactured today. Like many other networks, CAN comes with inherent vulnerabilities that leave CAN implementations at risk of being targeted by cybercriminals. Such vulnerabilities range from eavesdropping, where the attacker can read the raw data traversing the vehicle, to spoofing, where the attacker can place fabricated traffic on the network. The research team initially performed a simulation of CAN traffic generation followed by hardware implementation ...
Fight For Flight: The Narratives Of Human Versus Machine Following Two Aviation Tragedies, Andrew Prahl, Rio Kin Ho Leung, Alicia Ning Shan Chua
Fight For Flight: The Narratives Of Human Versus Machine Following Two Aviation Tragedies, Andrew Prahl, Rio Kin Ho Leung, Alicia Ning Shan Chua
Human-Machine Communication
This study provides insight into the relationship between human and machine in the professional aviation community following the 737 MAX accidents. Content analysis was conducted on a discussion forum for professional pilots to identify the major topics emerging in discussion of the accidents. A subsequent narrative analysis reveals dominant arguments of human versus machine as zero-sum, surrender to machines, and an epidemic of mistrust. Results are discussed in the context of current issues in human-machine communication, and we discuss what other quickly automating industries can learn from aviation’s experience.
A New Generation Of Open-Graded Friction Course For Enhanced Durability And Functionality, Hossam Abohamer
A New Generation Of Open-Graded Friction Course For Enhanced Durability And Functionality, Hossam Abohamer
LSU Doctoral Dissertations
This study aims at (1) enhancing Open Graded Friction Course (OGFC) mixes durability using additives and other by-products; (2) investigating the impacts of selected factors on OGFC pavements seepage characteristics; (3) developing a quantitative tool to model the deterioration in OGFC pavements functional performance; and (4) developing new guidelines of Air Void (AV) content for OGFC for optimum functionality and durability. For the durability objective, eight mixes were prepared with a PG 76-22 binder and two sources of aggregate (i.e., # 78 limestone and # 67 sandstone). Three Warm Mix Additives (WMA), one by-product (i.e., crumb rubber [CR]), and two ...
Development And Testing Of Braking And Acceleration Features For Vehicle Advanced Driver Assistance System, Johann Carlo Marasigan, Gian Paolo Mayuga, Elmer R. Magsino
Development And Testing Of Braking And Acceleration Features For Vehicle Advanced Driver Assistance System, Johann Carlo Marasigan, Gian Paolo Mayuga, Elmer R. Magsino
Electronics, Computer, and Communications Engineering Faculty Publications
Traffic congestion is a constant problem for cities worldwide. The human driving inefficiency and poor urban planning and development contribute to traffic buildup and travel discomfort. An example of human inefficiency is the phantom traffic jam, which is caused by unnecessary braking, causing traffic to slow down, and eventually coming to a stop. In this study, a brake and acceleration feature (BAF) for the advanced driver assistance system (ADAS) is proposed to mitigate the effects of the phantom traffic phenomenon. In its initial stage, the BAF provides a heads-up display that gives information on how much braking and acceleration input ...
Equitable Resource Allocation To Improve Safety: An Evaluation Based On Risk, Alyssa M. Ryan
Equitable Resource Allocation To Improve Safety: An Evaluation Based On Risk, Alyssa M. Ryan
Doctoral Dissertations
Transportation safety continues to be a serious issue throughout the world. Proven safety measures have been developed to increase the safety on all roadways, but have not been universally and equitably implemented due to lack of resources, inefficiencies, and understanding. Additionally, the relative level of mobility safety remains higher in certain environments than others, creating an inequitable landscape. In this dissertation, the efficiency of using local and statement resources to improve safety is investigated while controlling for level of safety risk in vulnerable environments and locations using a comprehensive approach. Several methodologies and techniques are employed and developed to examine ...
Assessing The Impact Of Bicycle Treatments On Bicycle Safety: A Multi-Methods Approach, Aikaterini Deliali
Assessing The Impact Of Bicycle Treatments On Bicycle Safety: A Multi-Methods Approach, Aikaterini Deliali
Doctoral Dissertations
Compared to other modes, bicyclists are disproportionally affected by crashes considering their low mode share. There is evidence that crashes between bicyclists and motorized vehicle take place at road segments and signalized intersections where bicycle treatments (e.g., bike lanes) are present, urging for in-dept analysis of the safety impact of the various bicycle treatment types. Additionally, it is important to identify sensor types that have the potential to advance field data collection and traffic monitoring in multi-modal road environments. In this dissertation, three approaches, namely crash analysis, traffic conflict analysis, and analysis of driver speeding and glancing behavior, were ...
Using Rwis Data For Winter Maintenance Decision Support, Tony Coventry
Using Rwis Data For Winter Maintenance Decision Support, Tony Coventry
Purdue Road School
Road weather information systems (RWIS) data is the key component to winter maintenance decision support systems (MDSS) and solutions. In this session we will learn about the FHWA’s Weather Data Environment (WxDE), a national road weather data sharing program; how the data is integrated into decision support solutions, network monitoring, and research projects. Discussion will also include strategic application of road weather data in winter maintenance decision making.
Streamlining Project Development Through Planning & Environmental Linkages, Karen Hadley, Brett Lackey
Streamlining Project Development Through Planning & Environmental Linkages, Karen Hadley, Brett Lackey
Purdue Road School
As transportation agencies continue to explore ways to be more efficient in the project development process, they are embracing integrated methodologies like planning and environmental linkages. This tool is practical, yet highly effective and inclusive, and teams across the country are experiencing its value. This presentation will highlight a variety of use cases, discuss lessons learned and best practices, and specifically address how planning and environmental linkages can be applied in Indiana and the Midwest.
Importance Of Proactive Safety Analysis For Corridor Planning, Martin Guttenplan, Houssam Ghandour
Importance Of Proactive Safety Analysis For Corridor Planning, Martin Guttenplan, Houssam Ghandour
Purdue Road School
A proactive safety analysis approach assists decision makers in addressing high-risk crash elements, particularly on low-volume roadways. Using corridor planning best practices and lessons learned, this presentation will explore creative and proactive approaches for holistic planning solutions. It will also validate 2020 pandemic crash data accuracy and highlight prioritization methodologies and AASHTO and FHWA guided countermeasures applied to at-risk locations.
Perspectives On Past And Present Mutcds, David Boruff
Perspectives On Past And Present Mutcds, David Boruff
Purdue Road School
This session will describe the history of the Manual on Uniform Traffic Control Devices. Prime focus will be on the Indiana version, including the procedures that have been and those that are currently used to adopt Indiana’s manual. Pending it’s adoption prior to Road School, a summary of the significant changes in next edition of the MUTCD will also be presented.
Integrated Mobile Observations - Future Of Mobile Observation Data Technologies, Tony Coventry
Integrated Mobile Observations - Future Of Mobile Observation Data Technologies, Tony Coventry
Purdue Road School
Mobile observations have become an integral part of snow and ice programs. In this session we will learn about the FHWA IMO (integrating mobile observations) initiative; how mobile sensors have evolved; and what these new units are capable of doing. Discussion will include how this technology can help both the operator and the agency, how the data is visualized and used, and how agencies and airports have implemented these units.
Development Of Cost-Effective High-Modulus Asphalt Concrete (Hmac) Mixtures Using Crumb Rubber And Local Construction Materials In Louisiana., Ibrahim A.I.E Elnaml
Development Of Cost-Effective High-Modulus Asphalt Concrete (Hmac) Mixtures Using Crumb Rubber And Local Construction Materials In Louisiana., Ibrahim A.I.E Elnaml
LSU Master's Theses
One of the emerging solutions to enhance the durability of asphalt pavements is the use of a French asphalt mix known as “High-Modulus Asphalt Concrete (HMAC).” This mix uses a hard asphalt binder, high binder content (about 6%), and low air voids content as compared to Superpave mixtures. The key objective of this study was to develop a cost-effective HMAC mixture using crumb rubber and local materials in Louisiana. To achieve this objective, four HMAC mixtures were prepared using two asphalt binders (PG 82-22 and PG 76-22 plus 10% crumb rubber) and two Reclaimed Asphalt Pavement (RAP) contents (20% and ...
Missed That! Roadway Drainage Lessons Learned, Michael Mills
Missed That! Roadway Drainage Lessons Learned, Michael Mills
Purdue Road School
Intersection improvements and downtown beautification projects are common essential improvements that benefit motorists and residents of urban communities. When scoping, it is easy to disregard drainage in order to minimize cost and reduce staffing needs. However, sometimes big problems can happen when roadway drainage is not assessed. Come take a deep dive into a few examples of drainage oversights and how they were remedied.
To Lead Or Not To Lead?, Matt Sagstetter
To Lead Or Not To Lead?, Matt Sagstetter
Purdue Road School
Why doesn’t the flashing arrow work anymore? The green arrow doesn’t turn on, is there something wrong? These questions and more will be answered in a discussion about the operation, implementation, and education of flashing yellow arrows (FYAs) at signalized intersections. Case studies of specific intersections in Indiana will be used to show the crash history and risk analysis used to make decisions related to overall signal operation and driver safety.
Big Data Applications: Public Involvement Tools For Public Involvement, Amy L. Livingston, Houssam Ghandour
Big Data Applications: Public Involvement Tools For Public Involvement, Amy L. Livingston, Houssam Ghandour
Purdue Road School
Using big data to better understand origin-destination and regional travel patterns is critical to project development. Tools such as passive geographically based data lead to improved definitions for traffic analysis zones (TAZs), which, in turn, help inform public involvement plans for a more targeted approach and improved equity. This presentation will highlight future planning applications in Indiana and other case examples where we have used big data to aid the plan development of public and stakeholder engagement.
Accommodating Rapid Development In Design Level Forecast A Regionally Minded Methodology, Randy Kill
Accommodating Rapid Development In Design Level Forecast A Regionally Minded Methodology, Randy Kill
Purdue Road School
Rapid large-scale development presents challenges for traffic engineers to accurately forecast design-year traffic volumes. Prevailing forecasting methods, such as the ITE Trip Generation Manual, tend to exaggerate local traffic impacts on large developments and do not account for regional influences. This presentation outlines the methodologies for developing the design level forecast of two large freeway projects amid largescale private developments. This approach provides significant improvements over traditional trip generation methods and model-based forecasts.
Learning The Ropes With Stormwater Management, Jeffrey E. Kuhn
Learning The Ropes With Stormwater Management, Jeffrey E. Kuhn
Purdue Road School
This presentation will touch on topics and skills learned by a newly employed Stormwater Engineer working for the City of West Lafayette. Topics include erosion control methods and theory, the minimum controls measures (MCMs) for Indiana’s local municipalities, the Tippecanoe County Partnership for Stormwater Quality, Wabash River infrastructures, construction-site and outfall inspections, and much more.
Greenfield District Creates A Traffic Project, Luis Laracuente
Greenfield District Creates A Traffic Project, Luis Laracuente
Purdue Road School
Each year INDOT funds safety and mobility driven projects. There is yearlong internal process to identify the needs, define the problems, and plan the projects. This presentation aims at explaining this process from a district perspective and reveal our planning and funding process. We also discuss the shifting in planning philosophy and the ever-growing goal to plan and build multi-modal, self-enforcing, safe, and efficient intersections and streets.
Pavement Marking Updates, Joseph Bruno
Pavement Marking Updates, Joseph Bruno
Purdue Road School
Significant changes to pavement markings are under- way to improve the safety and service life of roads and to assist vehicles with lane departure warning systems. This presentation will provide an update on changes to the Indiana Design Manual, Standard Specifications, and Standard Drawings for the use of 6-in. lines as the normal line width, RPM usage and spacing changes, and increasing the use of durable marking materials. The presentation will also include other pavement marking topics, such as contrast markings and orange pavement markings for work zones.
Low Impact Roundabout Conversion, Brian W. Craig, Jay Vorisek, Johnathon Nail
Low Impact Roundabout Conversion, Brian W. Craig, Jay Vorisek, Johnathon Nail
Purdue Road School
Low Impact Roundabout Conversion—This presentation describes the planning, design, and construction of a $527,000 compact roundabout for the City of Westfield at 171st Street and Carey Road. This stopcontrolled intersection was converted to a roundabout by constructing a center island, splitter islands, and minor pavement widening within the general footprint of the intersection. The existing pavement was re-used by placing wedge and level to achieve the roundabout’s designed grades.
Public Education For Work Zone Safety, Ricardo Chahine, Prince Adu Gyamfi, Nandhesh Subash Babu, Wonsang Cho, Krista Kelley, Stacey Connaughton, Nadia Gkritza
Public Education For Work Zone Safety, Ricardo Chahine, Prince Adu Gyamfi, Nandhesh Subash Babu, Wonsang Cho, Krista Kelley, Stacey Connaughton, Nadia Gkritza
Purdue Road School
This project aims to help improve work zone driver safety in Indiana through driver education and public awareness campaigns. The project focused on two specific objectives: (1) to design a public awareness campaign to increase drivers’ knowledge and influence positive attitudes about work zone driver safety practices; and (2) to prepare educational materials to be incorporated into driver’s education or training curriculum prior to taking driving test and getting a driver’s license issued. The campaign was informed by formative research, conducted using a survey to assess public knowledge and attitudes. Based on these results, campaign messages were designed ...
Evaluation Of The Impact Of Queue Trucks With Navigation Alerts Using Connected Vehicle Data, Rahul Suryakant Sakhare, Jairaj C. Desai, Justin Mahlberg, Jijo K. Mathew, Woosung Kim, Howell Li, John D. Mcgregor, Darcy M. Bullock
Evaluation Of The Impact Of Queue Trucks With Navigation Alerts Using Connected Vehicle Data, Rahul Suryakant Sakhare, Jairaj C. Desai, Justin Mahlberg, Jijo K. Mathew, Woosung Kim, Howell Li, John D. Mcgregor, Darcy M. Bullock
Purdue Road School
No abstract provided.
Cognitive Attention And Its Application In Countermeasures On A Curve Section, Hongyue Wu, Yunfeng Chen, Junan Shen, Weinan Gao, Mohammad Ahad, Osahon Iroghama
Cognitive Attention And Its Application In Countermeasures On A Curve Section, Hongyue Wu, Yunfeng Chen, Junan Shen, Weinan Gao, Mohammad Ahad, Osahon Iroghama
Purdue Road School
No abstract provided.
Forecasting Electric Vehicle Adoption At A Local Level, Jonathon Sinton
Forecasting Electric Vehicle Adoption At A Local Level, Jonathon Sinton
Purdue Road School
The Biden administration has recently stated as a major policy goal that 50% of all new vehicle sales will be electric by the year 2030. However, current electric vehicle (EV) uptake sits at about 2.4% of current vehicle sales. Additionally, the administration’s goal is more ambitious than current forecasts predict will occur. Given the gap between the administration’s goals and the current EV trends, it is necessary to better forecast how current trends will progress and better understand what factors influence these trends. The purpose of this research is two-fold: to create better forecasts of EV adoption ...
Life Cycle Integration Of Building Information Modeling In Infrastructure Projects, Xingzhou Guo, Chi Tian, Jinwu Xiao, Yunfeng Chen, Jiansong Zhang
Life Cycle Integration Of Building Information Modeling In Infrastructure Projects, Xingzhou Guo, Chi Tian, Jinwu Xiao, Yunfeng Chen, Jiansong Zhang
Purdue Road School
No abstract provided.