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Posted: Mar 28 This project aims to analyze the CV impacts on crash prevention under different highway geometric designs.Posted: Mar 27 This project will develop a basic framework to model traffic safety risk functions based on reliability theory by considering various adverse driving conditions, potential vehicle safety risks and associated uncertainties.Posted: Mar 26 This issue features the latest happenings within the transportation industry along with a list of upcoming transportation conferences and webinars. You can also find some of the latest news from our faculty and students!Posted: Mar 15 Puskar Dahal, Mostafa Tazarv, and Nadim Wehbe
The main objectives of the present study were to establish the behavior of mechanical bar splices suited for bridge columns, to generate an experimental database for seismic couplers, and to quantify the effect of such couplers on the seismic performance of bridge columns.Posted: Mar 8 Ahmad A. Ghadban and Nadim I. Wehbe
The objective of this project is to attempt providing a better tool for FRC designers to be able to make more robust claims about the performance of an FRC element in transportation infrastructures.Posted: Mar 6 This project will evaluate the ability of a new tests, called the IDEAL-CT, to determine potential cracking performance of asphalt mixtures. The data will be compared to the results previously obtained by using the SCB IFIT tests (AASHTO TP-124) in terms of relation to field performance, repeatability, and simplicity.Posted: Feb 27 This issue features the latest happenings within the transportation industry along with a list of upcoming transportation conferences and webinars. You can also find some of the latest news from our faculty and students!Posted: Feb 25 Each year, UGPTI awards scholarships to encourage students to pursue careers in transportation and to recognize outstanding achievement. Applications are due March 1.Posted: Feb 19 The project investigates a bridge bent with self-centering precast concrete columns for Accelerated Bridge Construction (ABC) in high seismic regions. The proposed hybrid system consists of post-tensioned precast concrete columns in a two-column bridge bent with one or two Buckling Restrained Braces (BRBs) as external energy dissipation devices.Posted: Feb 15 In 2010, a section of roadway on Utah SR 30 near Emery, Utah was reconstructed using a geogrid-reinforced pavement system. This project was intended to demonstrate the effectiveness of geogrid in reducing cost, providing longer service life, and reducing long-term maintenance of the pavement system.Posted: Feb 14 Differential settlement in the transition zone between the bridge structure and the approach embankment often creates a "bump" which is a potential safety hazard and comfort issue for drivers. This research focuses on identifying innovative means to mitigate this issue during design and construction.Posted: Feb 12 Wesley E. Marshall, Nick Ferenchak, and Bruce Janson
Despite bicycling being considered on the order of ten times more dangerous than driving, the evidence continues to build that high-bicycling-mode-share cities are not only safer for bicyclists but for all road users. This paper looks to understand what makes these cities safer.Posted: Feb 4 This issue features the latest happenings within the transportation industry along with a list of upcoming transportation conferences and webinars. You can also find some of the latest news from our faculty and students!Posted: Feb 1 This project is intended to develop constrained system-optimal route planning solutions for fleet route planning, ridesourcing and ridesharing, and perform an extensive simulation-based comparative analysis to evaluate performance of the proposed solutions versus existing state-of-the-art solutions.Posted: Jan 28 This proposal focuses on expanding the capabilities of a system developed by the principal investigators called, Business Commute Optimization system (BCOS). BCOS is designed to identify optimal selection of commute alternatives for employees in a business to minimize their transportation emissions and air pollution as well as commute time and cost.Posted: Jan 24 This research aims to quantify the deleterious effects of alkali-silica reaction (ASR) on the behavior of concrete bridges, to examine the efficacy of composite-based repair to improve the capacity of ASR-damaged concrete members, to develop a theoretical model which can predict the performance of ASR-damaged and composite-repaired concrete members, and to propose design/practice recommendations for the implementation of the proposed composite repair method.Posted: Jan 23 This research project will conduct a comprehensive spatial analysis of the sidewalk infrastructure of two cities that take on the responsibility of sidewalks, and two that put that responsibility onto the abutting property owners. Posted: Jan 17 Denver Tolliver, director of the Upper Great Plains Transportation Institute at North Dakota State University, received the 2019 S.S. Steinberg Award from the American Road and Transportation Builders Association (ARTBA) earlier this month. Posted: Jan 17 University of Utah master's student Nuzhat Azra received the 2018 Ellis L. Mathes Scholarship from the Intermountain Section of the Institute of Traffic Engineers at the group's annual meeting in Jackson, WY. Posted: Jan 14 Yail (Jimmy) Kim, University of Colorado Denver professor of civil engineering, received the 2018 Excellence in Research and Creative Activities Award. The award recognizes exemplary work at the university and recipients are chosen by a selection committee comprising previous award winners.Posted: Jan 14 In a webinar held November 29, 2018, Ahmad Ghadban shares the research findings of MPC-437.Posted: Jan 8 EunSu Lee and Ali Rahim-Taleqani
This research will review state-of-the-art ABM in transportation, determine an agent's travel behavior in rural and small urban freight movement, design a multi-agent system, and investigate applicability of the agent's travel behavior to statewide freight demand mode.Posted: Jan 4 This issue features the latest happenings within the transportation industry along with a list of upcoming transportation conferences and webinars. You can also find some of the latest news from our faculty and students!Posted: Jan 4 The proposed research will attempt to identify linkages between leadership practices, safety culture and fatigue management practices that are effective in reducing accidents and injuries in various transportation/transit organizations.Posted: Jan 3 This proposal will address the constructability of coils in a proposed precast system. The stringent electrical specifications will be monitored while utilized in an actual closed loop working system.Posted: Dec 20, 2018 Repair of reinforced concrete bridge decks represents a large portion of bridge manager's budgets. A survey of 52 transportation agencies identified more than 100,000 bridges across the United States that have exhibited early age bridge deck cracking.Posted: Dec 19, 2018 In this project, we simultaneously consider and optimize the battery and charger configurations of a fast-charging BEB system, as well as its recharging scheduling during operation. We also explicitly consider the demand charges of high-power recharging activities of BEBs.Posted: Dec 17, 2018 The use of Light Detection and Ranging (LiDAR) technology has been growing in the transportation industry in recent years. The technology has been proven to provide precise, accurate, and high-density point clouds that can be related to a global reference frame.Posted: Dec 14, 2018 Guanghui Hua, Gregory Hansen, Kyungnan Min, and Christopher Schmit
The objectives of this project were to identify potential transportation-related applications for aqueous waste streams available in South Dakota.Posted: Dec 13, 2018 Vaishak Gopi, John W. van de Lindt, and Bolivar Senior
CO2 released by construction processes, as well as material production, is taking a substantial toll on the environment. This study seeks to develop a system to rank bridges based on their CO2 emissions.Posted: Dec 12, 2018 Patrick Sanders, Rebecca Atadero, and Mehmet Ozbek
This report proposes an uncertainty-based approach to planning inspection timing and determining inspection type based on limited resources. Posted: Dec 5, 2018 This presentation will cover research conducted by South Dakota State University to examine if snow plowing and winter maintenance affected the performance and durability of various pavement marking materials. This study also evaluated the constructability, durability, and visibility of alternative pavement marking materials. The webinar will be held on December 11.Posted: Nov 27, 2018 In this issue you can find information on graduate school news and recent/upcoming happenings in the transportation field. This issue also includes a variety of upcoming transportation conferences, workshops, and webinars you may be interested in.Posted: Nov 9, 2018 A comprehensive literature review, as well as interviews with SDDOT and other DOT personnel, were carried out in this study to evaluate past FRC experiences, effect of different factors on the properties of FRC, and existing FRC design and construction practices. Posted: Nov 6, 2018 Denver Tolliver, Pan Lu, and Doug Benson
The study shows that when miles of road are held constant (a realistic scenario), a 100% increase in RGTM results in a 50% increase in track investment.Posted: Nov 5, 2018 Nadim Wehbe, Richard Reid, Jason Stripling, Brooke Edgar, Hesham Mahgoub, and Mason Underberg
An experimental research study was conducted to develop optimized concrete mixtures for jointed plain concrete (JPC) pavements and field evaluation of newly constructed JPC pavement sections along South Dakota highways.Posted: Nov 2, 2018 This research seeks to synthesize both rich vehicle-level datasets derived from experiments with CAV sensors and systems and the state of the art transportation-system level datasets to compose second-by-second vehicle-level Lagrangian predictions of vehicle velocity trajectories, applicable to CAVs.Posted: Nov 2, 2018 The proposed study aims at evaluating bio-asphalt binders and additives derived from agricultural products and byproducts prevailing in North Central Region (e.g., corn and soybean) as the primary feedstock. This will be achieved through a laboratory testing program to evaluate the performance of asphalt mixes containing plant-based bio-asphalt binder and cellulose Nano-fibers.Posted: Oct 31, 2018 Ziqi Song, Zhaocai Liu, and Yi He
In this study, we address the problem of simultaneously selecting the location of the DWPT facilities and designing battery sizes of electric buses for a DWPT electric bus system.Posted: Oct 29, 2018 In this issue you can find information on graduate school news and recent/upcoming happenings in the transportation field. This issue also includes a variety of upcoming transportation conferences, workshops, and webinars you may be interested in.Posted: Oct 23, 2018 Structurally deficient bridges in the United States may be replaced with a viable alternative made with Cross Laminated Timber (CLT). The ultimate goal of this project is to improve bridge sustainability and performance using CLT products.Posted: Oct 10, 2018 Xianfeng (Terry) Yang, assistant professor of civil and environmental engineering at the University of Utah has been named outstanding reviewer by three transportation journals. Outstanding reviewers offer expertise and professional service to support journals as they work to maintain the high quality of accepted papers.Posted: Oct 4, 2018 Ziqi Song and Holly Lloyd
This report describes the selection of a comparison group of urban diamond interchanges, crash data collection, calibration of functions used to estimate the predicted crash rate in the before and after periods, and the Empirical Bayes before and after analysis technique used to determine the safety effectiveness of the diverging diamond interchanges in Utah.Posted: Oct 1, 2018 Mark Johnson will be awarded the John M. Agrey Award. The Institute's highest award recognizes an individual who has made significant contributions to the state of North Dakota through involvement with transportation. The award will be presented at the Upper Great Plains Transportation Institute's Annual Awards Banquet held Oct. 4 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 28, 2018 Dave Leftwich will receive the Institute's Lifetime Achievement Award recognizing those who have had distinguished careers in a transportation-related field. The award will be presented at the Upper Great Plains Transportation Institute's Annual Awards Banquet held Oct. 4 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 27, 2018 Dennis Ming will receive the Chairman's Award. The award recognizes an individual for contributions to transportation research, education, and outreach at NDSU, and/or contributions to the viability of the Upper Great Plains Transportation Institute. The award will be presented at the Upper Great Plains Transportation Institute's Annual Awards Banquet held Oct. 4 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 25, 2018 Josiah Anthonie Herrera will receive the $2,000 Tribal Transportation Scholarship. The scholarship recognizes outstanding Native American students with an interest in transportation engineering, economics or agriculture who are enrolling at North Dakota State University. The scholarship will be presented at the Upper Great Plains Transportation Institute's Annual Awards Banquet held Oct. 4 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 25, 2018 In this issue you can find information on graduate school news and recent/upcoming happenings in the transportation field. This issue also includes a variety of upcoming transportation conferences, workshops, and webinars you may be interested in.Posted: Sep 24, 2018 Alicia Lorig and Jenna Ruth Lee will receive the $1,500 Transportation Engineering Scholarship. The scholarship recognizes academic achievement and promotes the education of transportation students at NDSU. The scholarships will be presented at the Upper Great Plains Transportation Institute's Annual Awards Banquet held Oct. 4 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 21, 2018 Sarah Irmen will receive the $2,000 Charles E. Herman Scholarship. The scholarship recognizes academic achievement and promotes education of transportation students with a preference to women and minorities at NDSU. The scholarship will be presented at the Upper Great Plains Transportation Institute's Annual Awards Banquet held Oct. 4 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 20, 2018 Shelby Hartwig and Marc Michaelson will receive the $1,500 Paul E.R. Abrahamson Transportation Scholarship. The scholarship recognizes outstanding students at NDSU with an interest in the transportation and logistics of agricultural products. The scholarships will be presented at the Upper Great Plains Transportation Institute's Annual Awards Banquet held Oct. 4 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 19, 2018 K. L. Peterson and P. R. Heyliger
This report presents finite-element calculations of the vibrational modes of MLCCs. The geometric symmetry in the finite-element model was orthorhombic, with three orthogonal mirror planes, and the detailed internal structure of interleaved metallic and ceramic materials was included in the model.Posted: Sep 6, 2018 Xiaoyue Cathy Liu and Ran Wei
As many transit agencies are testing electric buses and considering the integration of electric buses into future fleet, this research will help transit agencies make informed decisions regarding strategic planning and design of BEB systems.Posted: Aug 29, 2018 Pan Lu, Denver Tolliver, and Zijian Zheng
This research seeks to investigate highway rail grade crossing (HRGC) crash predicting models and contributing factors by exploring the application of GLM and data mining models.Posted: Aug 20, 2018 Min Ook Kim and Amanda Christine Bordelon
This study aims to investigate the age-dependent changes in flexural and fracture properties of fiber-reinforced concrete (FRC) used in the design of thin overlay pavements. Four different types of steel or polypropylene macro-fibers with different dimensions and different fiber volume contents (0%, 0.5%, and 1.0%) were selected and investigated.Posted: Aug 15, 2018 In this issue you can find information on graduate school news and recent/upcoming happenings in the transportation field. This issue also includes a variety of upcoming transportation conferences, workshops, and webinars you may be interested in.Posted: Aug 9, 2018 Phillip Powelson, Paul J. Barr, and Marv W. Halling
For this research, sensors were used to investigate the differences in prestress losses and temperature gradients in a concrete deck bulb tee girder bridge. The Millville Bridge was built as an access point to the Ridgeline High School in Millville, Utah. The bridge was built in 2016 and presently supports two lanes of traffic.Posted: Jul 31, 2018 In this issue you can find information on graduate school news and recent/upcoming happenings in the transportation field. This issue also includes a variety of upcoming transportation conferences, workshops, and webinars you may be interested in.Posted: Jul 26, 2018 This project will incorporate tourism-related data into the travel demand model and develop methods to estimate traffic volume on low-volume roads near tourism destinations in Wyoming. Tourism trips occupy a major part of traffic volume in Wyoming, especially in frequently visited areas.Posted: Jul 20, 2018 This project seeks to study the effect of different parameters related to geometric features (including the radius of the horizontal curve, superelevation rate, and longitudinal grade), vehicles characteristics (including type, weight, and the braking forces), and the weather condition (including side friction factor, wind speed, and wind direction).Posted: Jul 17, 2018 This study is the first step in improving the failing interchanges in MPR in a more beneficial way. Therefore, the results will be useful in the planning phase of the interchange improvement projects which are going to consider a DDI as the target design, while the super DDI might be introduced for them as a better alternative which provides more benefits.Posted: Jul 13, 2018 A hybrid method of analysis using Structure-from-Motion photographic imaging and finite element models are proposed to monitor and characterize physical changes in transportation systems using standard digital photographs. The proposed methodology is suggested to study a wide variety of representative structures and systems that can be damaged or subjected to varying environmental threats.Posted: Jul 12, 2018 The recipient of the 2018 Nevada Medal for Distinguished Graduate Student Paper in Bridge Engineering is Ruoyang Wu, a doctoral student at the University of Utah.Posted: Jul 12, 2018 This project focuses on the mitigation of flooding-related traffic disruptions by implementation of green infrastructure stormwater management. Traffic disruptions can be caused during flooding events in urban areas when the existing stormwater management is not effective at stormwater drainage from roadways.Posted: Jul 11, 2018 Xiaoyue Cathy Liu, Milan Zlatkovic, Richard J. Porter, Kiavash Fayyaz, and Song Yu
This research aims to utilize a modeling and simulation approach to help improve the efficiency and reliability of the high-capacity service, which makes BRT an appealing system for potential riders. Posted: Jul 9, 2018 Xiaoyue Cathy Liu and Zhuo Chen
This project advances existing knowledge by presenting a systemic approach for a sampling scheme development to assist maintenance activity planning. The proposed method addresses how much and where agencies need to collect asset condition data for accurate LOM estimation.Posted: Jul 3, 2018 NDSU and the University of North Dakota have received a patent for technology that integrates energy-storing capacitors into the body or other large components of manned and unmanned aircraft systems, known as UAS.Posted: Jun 29, 2018 Five NDSU students presented research at the 59th Annual Transportation Research Forum April 10-11 in Minneapolis. The event was an opportunity for transportation professionals, academics, students, and graduates to present their work, discuss the latest research, debate contemporary transportation issues and network with other professionals.Posted: Jun 27, 2018 Xiaoyue Cathy Liu, Richard J. Porter, Milan Zlatkovic, Kiavash Fayyaz, and Jeffrey Taylor
In this project, we propose a methodological framework for analyzing the FMLM problems by determining varying causes of poor public transit accessibility and identifying areas with immediate needs for improvements.Posted: Jun 25, 2018 Transportation and Logistics Ph.D. student Bukola Bakare has launched an innovative portable vegetable garden project to help low income families and new Americans in the Fargo-Moorhead area eat healthier food. The project was funded by a grant from Minnesota State University Moorhead. Bakare, left, helps a volunteer plant a portable garden. Posted: Jun 20, 2018 Chris P. Pantelides, Anurag Upadhyay, and Ruoyang Wu
This project studies effective configurations of self-centering devices in the seismic retrofit of curved bridges for control of longitudinal and lateral forces. Reparability of bridge columns is investigated experimentally.Posted: Jun 15, 2018 Hussam Mahmoud and Huajie Wen
Ductile fracture has been identified as the predominant mode of failure for structural elements under extreme loads and the prediction of such represents considerable challenges.Posted: Jun 6, 2018 Matt Shatzkin, who earned his PhD in transportation and logistics from NDSU in 2014 has joined NDSU as an adjunct professor. Shatzkin has been a U.S. Army logistics practitioner for 27 years, achieving the rank of colonel.Posted: Jun 1, 2018 The objective of this project is to provide a better tool for FRC designers to be able to make more robust claims about the performance of an FRC element in transportation infrastructures. This will be carried out through statistically quantifying the range of variability in the flexural strength of FRC using Monte Carlo Simulation. Posted: May 31, 2018 The ultimate goal of this project is to provide a better understanding of structural performance of in-service DT bridges loaded with actual trucks.Posted: May 25, 2018 Over the last two decades, the use of advanced scientific and data-driven statistical methods has been continuously evolving to reduce the frequency and severity of crashes on our roadways. The primary purpose of this report is to examine the suitability and transferability of the 2010 HSM's SPFs to Wyoming-specific conditions.Posted: May 24, 2018 The goal of this project is to conduct assessments of two safety interventions for teen drivers aimed to improved public safety. One intervention is administered at the population level and the other at the driver level.Posted: May 23, 2018 In this issue you can find information on graduate school news and recent/upcoming happenings in the transportation field. This issue also includes a variety of upcoming transportation conferences, workshops, and webinars you may be interested in.Posted: May 21, 2018 Motor vehicle crashes are the leading cause of unintentional injury for the American Indian population ages 1 to 44. A fundamental aspect in this injury prevention is the ability to select evidence-based interventions based on high-quality data documentation of the injury events.Posted: May 18, 2018 NeTia Bauman, tribal program outreach coordinator for the Upper Great Plains Transportation Institute at North Dakota State University, is serving on the 2018 National Transportation in Indian Country Conference (NTICC) planning committee.Posted: May 15, 2018 Do you know someone who's contribution to the transportation industry has put North Dakota and the region on the fast track? Do you know someone who has been a leader, a builder, a facilitator, a planner, or a visionary working on behalf of transportation? Please introduce them to us. That individual may deserve one of the Upper Great Plains Transportation Institute's annual awards.Posted: May 11, 2018 Those attending the 2018 American Society for Engineering Education Annual Conference & Exposition in Salt Lake City will have a unique opportunity to visit the UDOT Traffic Operations Center where Utah Department of Transportation leaders will describe technologies in which UDOT has become a national leader: rapid bridge replacement, innovative intersections, connected/autonomous vehicles, and traffic signal management. UDOT collaborates with the University of Utah on a variety of research related to these technologies.Posted: May 10, 2018 Seven students will be the first to graduate from the newly formed graduate-level Department of Transportation, Logistics and Finance within the College of Business on Saturday, May 12. The new department is the new home of the Transportation and Logistics Academic Program that was previously managed by the UGPTI.Posted: May 1, 2018 The goal of this study is to extend the application of EPS geofoam to that of directly supporting relatively lightweight bridge structures without the need of installing intermediate or deep foundation systems or using ground improvement to stabilize the foundation soils. This study evaluates the concept of using EPS blocks to support two-lane, single-span highways and pedestrian bridge structures under gravity and seismic loads.
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