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Articles 211 - 240 of 21928
Full-Text Articles in Entire DC Network
Is Precision Agriculture Technology Adoption Persistently Overestimated?, Trey Malone, Chad Fiechter, Zanliang Meng, James Lowenberg‐Deboer, Bruce Erickson, Jay Akridge
Is Precision Agriculture Technology Adoption Persistently Overestimated?, Trey Malone, Chad Fiechter, Zanliang Meng, James Lowenberg‐Deboer, Bruce Erickson, Jay Akridge
Department of Agricultural Economics Faculty Publications
Precision agriculture is sometimes assumed to diffuse steadily over time, and industry planning frequently extrapolates early adoption trends forward. This study evaluates the accuracy of such expectations by comparing agricultural input dealers' forecasts of future service offerings with the actual levels of offerings that dealerships eventually provided. Using 21 waves of the CropLife-Purdue Precision Agriculture Dealership Survey from 2000 to 2025, we examine expected and realized precision agriculture offerings across 26 technologies. We document systematic and persistent overestimation of adoption: for most technologies, expected diffusion exceeds realized outcomes, with forecast errors becoming especially pronounced as adoption flattened or declined in …
Photoplethysmography For Measuring Cognitive Load In Xr Environments: A Systematic Review, Alya Alshehhi, Qammer H. Abbasi, Rami Ghannam
Photoplethysmography For Measuring Cognitive Load In Xr Environments: A Systematic Review, Alya Alshehhi, Qammer H. Abbasi, Rami Ghannam
School of Engineering Technology Faculty Publications
Photoplethysmography (PPG) is a low-cost, low-power biosensing technology with growing applications in education, particularly for monitoring cognitive load in eXtended Reality (XR) learning environments. Measuring cognitive load is critical for preventing overload and optimising immersive learning, yet existing approaches such as self-reports or Electroencephalography (EEG) are often intrusive, costly or impractical for real-time use. This systematic review is the first to synthesize a decade of research (2015–2025) on the use of PPG for cognitive load measurement in XR. Twenty-three studies were identified and analysed according to PRISMA guidelines, with attention to sensor placement, integration with other modalities, research design, and …
Take The Guesswork Out Of Your Small Structures!, Rob Coop, Jason Peters
Take The Guesswork Out Of Your Small Structures!, Rob Coop, Jason Peters
Purdue Road School
Your small structures are valuable assets, which is why having real-time access to your inventory is critical. The presentation will provide case studies on a web-based tool, demonstrating how easy it is to track maintenance of small structures, record deficiencies and safety concerns, evaluate replacement priorities, and generate reports. This information is especially useful for budgeting and allocating funds through a fiscal body.
Small Towns, Big Problems?, Meghan Hinkle, Emily Chen, Nicholas Parsons
Small Towns, Big Problems?, Meghan Hinkle, Emily Chen, Nicholas Parsons
Purdue Road School
Small-town projects can be incredibly rewarding, offering visible, immediate impacts for the community. However, they often come with unique design and environmental challenges. This presentation will explore transportation projects across small towns in Indiana and share key lessons learned to help you avoid common pitfalls on your next small-town project.
Urban Streets That Enhance Quality Of Life, Shan Gunawardena
Urban Streets That Enhance Quality Of Life, Shan Gunawardena
Purdue Road School
While the design of urban streets is important to move traffic safely and efficiently, their impacts to our urban spaces is critical on how these roadways are designed. This presentation will discuss the planning and design of urban streets that improve quality of life and increase property values for all adjacent land uses by evaluating design features such as target speeds, lane widths, lateral clearances and introducing landscaping, green infrastructure and public art.
Listening To Your Community: Understanding What Success Means, Kody Leach, Ben Lipps, Aaron Smith
Listening To Your Community: Understanding What Success Means, Kody Leach, Ben Lipps, Aaron Smith
Purdue Road School
How do residents truly feel about their community? In this presentation, leaders will explore the factors that shape quality of life and community identity from public spaces to safety and opportunity. By examining how people rate their own hometowns, participants will uncover insights into what drives satisfaction and engagement. The discussion will focus on how understanding community perceptions can guide better planning, stronger partnerships, and a shared vision for improvement.
Lessons Learned: Indiana’S First Hybrid Intersection, Nicole Minton, Emily Sprinkle, Jeff Whitaker, Tyler Price
Lessons Learned: Indiana’S First Hybrid Intersection, Nicole Minton, Emily Sprinkle, Jeff Whitaker, Tyler Price
Purdue Road School
This session will highlight Indiana’s first hybrid innovative intersection at TheLloyd4U and Stockwell Avenue, merging a Displaced Left Turn and Boulevard Left Turn. We will share lessons learned from design and implementation, including how collaboration and innovation shaped this unique solution to traffic challenges. A before-and-after perspective will offer practical takeaways for future intersection projects.
Public Speaking For Engineers And Public Officials: Revamped, Tim Jensen
Public Speaking For Engineers And Public Officials: Revamped, Tim Jensen
Purdue Road School
The presentation will cover some key do’s and don’ts when presenting topics and ideas to the public as well as local councils or commissions. Learn how to be confident, tell stories, and engage an audience.
Navigating Curb Ramps: Public Right-Of-Way Accessibility Guidelines,Indot, And Local Preferences, Kendall Knoke, Neil Kopper, Joe Streeter
Navigating Curb Ramps: Public Right-Of-Way Accessibility Guidelines,Indot, And Local Preferences, Kendall Knoke, Neil Kopper, Joe Streeter
Purdue Road School
Curb ramps: the more you know, the less you know. In this presentation, dig into the nitty gritty of curb ramp design including how to comply with federal law, how to navigate INDOT’s additional requirements, and how to incorporate local preferences. We will share lessons learned and the City of Bloomington’s local curb ramp preferences so you can know every ramp built in your community is both fully compliant with the law and optimally designed for the end user.
Building A Vitalizing Team Culture, Iris Bull, Andrew Cibor
Building A Vitalizing Team Culture, Iris Bull, Andrew Cibor
Purdue Road School
Leaders in the public sector face unique challenges in the recruitment and retainage of productive employees. Administrative staff from the City of Bloomington Engineering Department present an analysis of the strategies they employ to shape a high performing team. They examine mutable and designed aspects of their processes for advertising, interviewing, hiring, onboarding, and exit interviewing. Session participants will be provided tested strategies for stimulating professional growth, fostering intradepartmental collaboration, and building resilient culture.
The New 11th Edition Of The Indiana Mutcd, Joseph Bruno, David Boruff
The New 11th Edition Of The Indiana Mutcd, Joseph Bruno, David Boruff
Purdue Road School
The updated 11th edition of the Indiana MUTCD released in January of 2026 has many significant changes from the 2011 edition. This presentation provides an overview of the changes from the previous edition and significant variations between the federal MUTCD and the Indiana MUTCD.
Closing The Loop: How Public Comments Shape Projects, Summer Elmore, Marie Spitler, Andrea Langille, Matt Lee, Joann Wooldridge
Closing The Loop: How Public Comments Shape Projects, Summer Elmore, Marie Spitler, Andrea Langille, Matt Lee, Joann Wooldridge
Purdue Road School
Have you often heard from members of the public that nothing they say matters? This presentation will focus on how the project owner and designer collaborate to actively address concerns from the public. We will discuss several recent transportation project examples where extensive public participation was sought, evaluated, and utilized. Panelists will demonstrate how to prepare successfully for public involvement and incorporate feedback into final project plans.
History Of The Interstate System In Indiana, Steven Wuertz
History Of The Interstate System In Indiana, Steven Wuertz
Purdue Road School
A brief history of the Interstate System in Indiana and across the Nation— 1956–2026: 70 years of the Interstate System
An Innovative Road Design For A Storm Water Project, Brian Carpenter, Tucker Born, Joe Streeter
An Innovative Road Design For A Storm Water Project, Brian Carpenter, Tucker Born, Joe Streeter
Purdue Road School
Indianapolis DPW has started construction on major drainage improvements in one of its oldest neighborhoods, Fountain Square. Building a 66” storm sewer main along Shelby Street from I-65 into the heart of Fountain Square created design opportunities beyond accommodating the 10-year storm. This session will explore the innovative road design being incorporated into the reconstructed Shelby Street, including an inverted crown, bioretention areas, and cycle track safety improvements.
Us 20.1 In Amish Community Corridor, Elkhart County, Jen Goins, Mike Koch, Mike Wigger
Us 20.1 In Amish Community Corridor, Elkhart County, Jen Goins, Mike Koch, Mike Wigger
Purdue Road School
This presentation highlights a case study that covers a 4-mile rural road reconstruction from two to five lanes through poor soils, wetlands, and an Amish community. With 100+ driveways, endangered species, and limited drainage, the project required creative solutions to balance environmental, cultural, and engineering challenges.
You Want To Build What In The River?, Scott Schnell, Chad Hurm, Craig Knies
You Want To Build What In The River?, Scott Schnell, Chad Hurm, Craig Knies
Purdue Road School
This presentation will highlight the construction of a toe-wood shelf built in the Patoka River in Jasper. Topics will include a brief history of local settings, issues to resolve, decisions to construct toe-wood shelf, design and construction of the toe-wood shelf, regulatory permitting, and a status update on project performance.
From Boomers To Zoomers: Closing The Communication Gap, Cassy Bajek, Mindy Peterson
From Boomers To Zoomers: Closing The Communication Gap, Cassy Bajek, Mindy Peterson
Purdue Road School
Effective communications help pave the way for success inside (and outside) the workplace. What we say and how we say it matters. Understanding generational communication can make a real difference in reducing misunderstandings and improving collaboration. This short crash course in understanding Boomers to Zoomers can help improve teamwork, productivity, morale, and the work being produced. Improve your communication and improve your relationships!
Iconic Henry Street Bridge In Indianapolis, Marshall Lachecki, Keith Echternach, Mary Appel
Iconic Henry Street Bridge In Indianapolis, Marshall Lachecki, Keith Echternach, Mary Appel
Purdue Road School
The iconic new Henry Street bridge over the White River in Indianapolis is a connection to the west side of downtown Indy. From the challenging hydraulics requirements to the bridge concepts, design, procurement and through construction and archaeology work, the City has worked with many stakeholders and the public to make this new crossing a success. This presentation will focus on design elements of the bridge while touching upon other project elements.
Prioritizing Municipal Pavements With Data, Mark St. John, Jack Sinton, Peter Flynn
Prioritizing Municipal Pavements With Data, Mark St. John, Jack Sinton, Peter Flynn
Purdue Road School
The Indianapolis Department of Public Works has developed a new data-driven approach to prioritize pavement resurfacing needs in Indianapolis. The approach considers pavement condition, traffic, citizen feedback, and safety, and it relies on both real-world and modeled data. This presentation will outline how the scoring process was developed, what these scores tell us, and how we can use them for real-world decision-making.
Targeting Speed In Design: A Safe System Approach, Kevin Mckeel
Targeting Speed In Design: A Safe System Approach, Kevin Mckeel
Purdue Road School
To achieve a truly Safe System and eliminate severe crash outcomes on public roadways, transportation agencies must systematically manage the transfer of kinetic energy. Case studies from Hillsborough County, Florida, explore how incorporating the Safe Speed element of the Safe System Approach assists in delivery of context-sensitive vehicle speeds, a key factor in reducing the kinetic energy in collisions. Attendees will learn practical strategies for identifying and achieving safe target and design speeds.
Management Of Roadway Network Restrictions, Philip Labrash, James Reitz, Ethan Black
Management Of Roadway Network Restrictions, Philip Labrash, James Reitz, Ethan Black
Purdue Road School
Fort Wayne Public Works managed more than 2,100 requests to restrict its roadway network in 2024 and was projected to do so again in 2025. This presentation will provide an overview of the permitting system and describe common restriction requests such as construction, utility installations, building maintenance, festivals, and special events. The City has developed a multifaceted communications strategy to convey restrictions to the public which includes development of an interactive website, geographically customizable daily email bulletins, and interlocal coordination.
Us 31 Limited Access: Coordination And Land Challenges, Andrea Langille, Jennifer Beck, Michael Kuehl, Adam Burns
Us 31 Limited Access: Coordination And Land Challenges, Andrea Langille, Jennifer Beck, Michael Kuehl, Adam Burns
Purdue Road School
This session will explore the US 31 Limited Access Conversion project, offering key insights into planning, stakeholder coordination, and right-of-way acquisition. We will explore the project’s complexities, including business access impacts, excess land management and disposal, and unintended consequences that emerged throughout the process.
Developing The Central Indiana Vulnerable Road User Assessment, Dan Malsom, Andrea Miller
Developing The Central Indiana Vulnerable Road User Assessment, Dan Malsom, Andrea Miller
Purdue Road School
The Indianapolis Metropolitan Planning Organization (IMPO) is developing Central Indiana’s first ever regional Vulnerable Road User (VRU) Assessment. This presentation will present the scope, methodology, assessment results, and lessons learned from the process. We will focus on how the IMPO VRU Assessment differs from the region’s overall Safe Streets and Roads for All planning and the Statewide VRU Assessment INDOT completed in 2023, as well as why communities might want to consider conducting their own assessments.
Field Implementation Of Lidar For Traffic Signal Detection, Vincent Divaccaro, Jay Grossman, Charles Mckenzie
Field Implementation Of Lidar For Traffic Signal Detection, Vincent Divaccaro, Jay Grossman, Charles Mckenzie
Purdue Road School
Elkhart County deployed a LiDAR system in fall 2025 for traffic signal detection to replace an aging video system. In this presentation, we will share results of the test implementation, notes on field implementation, integration of the system in signal operations, and comments on system operation and performance since installation.
Professionalism And Ethics In The Practice Of Engineering, Tim Jensen
Professionalism And Ethics In The Practice Of Engineering, Tim Jensen
Purdue Road School
This presentation will provide an overview of ethics, including how they are formed and how professional engineers use them to make decisions in every situation.
Are You Listening? Communicating Effectively With Elected Officials, Keith Pugh, Craig Roach
Are You Listening? Communicating Effectively With Elected Officials, Keith Pugh, Craig Roach
Purdue Road School
In this presentation, attendees will gain practical insights on communicating infrastructure priorities and budget realities to elected officials. We will explore how to craft compelling messages, navigate council dynamics, and use data and storytelling to foster understanding and support. Additional topics include strategies for delivering difficult news; maintaining productive relationships; and becoming confident, influential advocates for Public Works departments.
Innovative Intersections And Interchanges: How, Where, And Why, Nathaniel Shellhamer, David Reamer
Innovative Intersections And Interchanges: How, Where, And Why, Nathaniel Shellhamer, David Reamer
Purdue Road School
This presentation will cover the basics of innovative intersections, including how to identify good candidate sites, deciding between intersection alternatives, reviewing preliminary design and impact considerations, and more. We will also review updated case studies for several innovative intersections that INDOT has recently completed.
A Review Of Airport Fencing And Wildlife Hazards, Robert Sliwinski
A Review Of Airport Fencing And Wildlife Hazards, Robert Sliwinski
Purdue Road School
This presentation will review the strengths and weaknesses of airport fences in restricting wildlife access to Airport Operations Areas at Indiana airports. Additional topics will include FAA-approved wildlife exclusion fencing designs and general guidelines on fence gap evaluation and maintenance. Airport fence evaluations can be key to obtaining airport improvement project funding in the cases of inadequate fencing.
Public Speaking: Tips, Tricks, And Overcoming The Fear, Richard Gilyeat, Alex Schwinghamer, Mindy Peterson
Public Speaking: Tips, Tricks, And Overcoming The Fear, Richard Gilyeat, Alex Schwinghamer, Mindy Peterson
Purdue Road School
Does the thought of public speaking make you break out into a cold sweat? You’re not alone! This interactive session will help you find your confidence. The focus is on practical tips, tricks, and guidelines to help you conquer your public speaking fears or grow the experience you already have. Strong communication matters and can help you in daily tasks, in growing your career, and in successful project delivery.
Early In Career Panel: The Value Of Industry Involvement, Stephanie Ferzli, Calvin Rizzo, David Musoke
Early In Career Panel: The Value Of Industry Involvement, Stephanie Ferzli, Calvin Rizzo, David Musoke
Purdue Road School
A panel of early-career professionals shares the importance and benefits of participating in industry organizations. Learn how involvement can shape careers and foster professional growth.