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Posted: Sep 27 Senator Rich Wardner 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. 3 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 26 Christopher Chamberlin and Khaled Ksaibati
This study utilizes field data and comprehensive statistical analysis to prove the effectiveness of various dust suppressants. This includes monitoring dust suppressant application, surfacing aggregate type, traffic, weather, roadway performance, and fugitive dust emissions to provide a comprehensive assessment of the effectiveness of the dust suppression efforts paid for with CMAQ funds.Posted: Sep 26 Don Andersen 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. 3 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 25 Tim Horner 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. 3 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 24 Adam Kroll and Jonnah Lee will receive the 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. 3 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 24 Gina Blazanin will receive the Charles E. Herman Scholarship, which recognizes academic achievement and promotes the 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. 3 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 23 Erika Krieger and Rachel Vogl 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. 3 where we honor individuals who have made significant contributions to the transportation industry in the region.Posted: Sep 23 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: Sep 20 Suren Chen, Luke Chen, and Yufen Zhou
A hybrid simulation approach is proposed to conduct the nonlinear seismic analysis of the bridge/traffic/earthquake system by integrating the stochastic traffic flow simulation, the mode-based fully-coupled simulation technique of the bridge-traffic system, and the nonlinear seismic analysis platform that was developed based on OpenSees.Posted: Sep 18 Catherine Tucker and Luis Ibarra
This study evaluates the seismic performance of circular concrete-filled tube (CCFT) columns in accelerated bridge construction (ABC) projects.Posted: Sep 17 Suren Chen and Yufen Zhou
To study the seismic performance of bridge and traffic systems, a new full-response prediction methodology for the coupled bridge-traffic interaction system under spatially varying earthquake excitations was developed by capturing the interaction effects not only between the bridge and moving vehicles, but also between earthquake excitations and the coupled bridge-traffic system.Posted: Sep 12 The proposed project will seek to develop a training model and implementation plan and materials that can serve as a blueprint and road map for training leaders in transit and freight organizations to systematically promote and develop an effective safety culture.Posted: Sep 9 Sandip Rimal, Brian Kidd, Mostafa Tazarv, Junwon Seo, and Nadim Wehbe
In this study, quantitative definitions were first proposed to identify all damage types and condition states specific to double-tee girders. Subsequently, more than 370 inspection reports on South Dakota double-tee girder bridges were reviewed to determine the frequency of damage types and condition states, bridge span length, bridge number of spans, girder depth, and bridge skew conditions.Posted: Sep 5 Xiaoyue Cathy Liu and Zhuo Chen
A high-dimensional clustering-based sampling method for roadway asset condition inspection is proposed in this study. The method complements existing literature by selecting sample roadway segments that contain multiple types of assets for the accurate estimation of their respective levels of maintenance (LOMs).Posted: Sep 4 Wesley Marshall, Yaneev Golombek, Nicholas Coppola, and Bruce Janson
This report takes a look at the mounting evidence that is beginning to cast doubt on what we think we know about the impact of roadside clear zones on actual safety outcomes.Posted: Aug 29 Nick Ferenchak, Wesley Marshall, and Bruce Janson
This report identifies locations in urban areas where child pedestrians are at particular risk for fatal collisions with vehicles, with the hopes of improving safety where they should walk and bike.Posted: Aug 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: Aug 27 Milan Zlatkovic
The goal of this research is to develop a matrix of performance measures, which can be applied in practice to effectively evaluate innovative designs in terms of operations, safety, access, and multimodal accommodations.Posted: Aug 26 The primary objective of this research is to characterize and evaluate how bicyclists perceive the safety of roundabouts overall and of specific design and operational characteristics of roundabouts.Posted: Aug 20 Justin Pace, Paul Barr, and Philip Powelson
This study investigated the amount of strain typical vehicles caused in the bottom of each girder as they travel across the bridge. This research also examined the maximum strains in the bridge girders due to vehicle loads, which is of interest in girder design.Posted: Aug 13 Hussam Mahmoud, Rebecca Atadero, Karly Rager, Aura Lee Harper-Smith, and Mehrdad Memari
The main goals of this project are to 1) expand understanding of thermal loading effects on bridge expansion joints and 2) conduct an LCCA for joint elimination and retrofits for bridges in Colorado.Posted: Aug 7 Ziqi Song, Yi He, and Zhaocai Liu
The focus of this project is to analyze the capability and strengths of an airborne data collection system in highway inventory data collection. Posted: Aug 5 Pan Lu, Raj Bridgelall, Denver Tolliver, Leonard Chia, and Bhavana Bhardwaj
In this research, smartphone-based signaling data collection applications, data fusion algorithms, and data processing algorithms to detect a wide variety of possible track surface abnormalities are developed and validated.Posted: Aug 1 Hussam Mahmoud, Mehrdad Memari, and Rebecca Atadero
This paper presents the results of an experimental study on the effect of externally bonded CFRP on slowing or arresting fatigue crack growth in the steel rebar in a reinforced concrete beam subjected to cyclic loading and service temperature.Posted: Jul 31 David Sanbonmatsu, David Strayer, Zhenghui Yu, Francesco Biondi, and Joel Cooper
A study investigated the cognitive underpinnings of consumers' beliefs and confidence in their beliefs about fully automated vehicles. Following previous research, opinions about self-driving cars tended to be mixed. Posted: Jul 30 Hussam Mahmoud and Emad Hassan
This study aims to add to existing literature through conducting analytical simulations for seismic assessment of embankments using real ground motions. Specifically, in this study the goal was to develop a simple non-linear finite element models that can capture the main characteristic of the real behavior of highway embankments.Posted: Jul 29 Perry is a graduate research assistant at Colorado State University working on his master's degree with a research focus on creating a streamlined approach to using unmanned aerial vehicles for inspecting bridges.Posted: Jul 24 Mohamed Ahmed, Sherif Gaweesh, Md Julfiker Hossain, Sadia Sharmin, and Thomas Peel
This study is considered a first step toward validating applicability of the Highway Safety Manual (HSM) Part D to Wyoming conditions. The HSM Part D provides a quantitative measure of safety for various countermeasures known as crash modification factors (CMF).Posted: Jul 24 Patrick Sherry
The purpose of the project was to establish a baseline for the evaluation of proposed fatigue mitigation efforts, to demonstrate the utilization of measures of sleep and fatigue, and to gather initial data for comparison to other previous studies. Posted: Jul 19 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: Jul 17 Hussam Mahmoud, Mazin Irfaee, and Emad Hassan
In this study, the seismic behavior of a twin tub steel girder bridge is evaluated. Specifically, a detailed finite element model of the bridge in question is developed, and the model is subjected to a suite of ground motions.Posted: Jul 11 Patrick Sherry
This study furthered the development and validation of a measure of corporate safety culture for the transportation industry.Posted: Jul 2 The objective of this research project is to measure the characteristics of turbulent flow over an eroding soil sample in an erosion function apparatus (EFA) type facility.Posted: Jul 1 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: Jun 26 Kam Ng, Melake Brhanemeskel, and Khaled Ksaibati
This research aimed to facilitate the implementation of Mechanistic-Empirical Pavement Design Guide in Wyoming.Posted: Jun 24 Pan Lu, Brenda Lantz, Denver Tolliver, and Zijian Zheng
This research seeks to investigate crash severity predicting models and contributing factor explorations through the application of data mining models.Posted: Jun 24 UGPTI’s Raj Bridgelall will present “Autonomous, Connected, Electrified & Shared Vehicles are Coming: How Should Cities Prepare?” at the Embedded Technologies Expo & Conference on Wednesday, June 26.Posted: Jun 21 Alejandro Henao, Wesley E. Marshall, and Bruce Janson
This research project uses ethnographic methods complemented with passenger surveys where one of the authors drove for Uber and Lyft in the Denver, Colorado, region to collect quantitative and qualitative data on ride-hailing. Posted: Jun 20 MPC researcher Junwon Seo discusses research to evaluate performance of various SCC mixtures for use in prestressed bridge girders.Posted: Jun 19 Nick Ferenchak, Wesley E. Marshall, and Bruce Janson
Both reactive and proactive safety analyses provide unique and important perspectives on traffic safety. If our goal is to enable more people to safely walk and bike as opposed to simply reducing crashes, then it is imperative to consider active transportation traffic safety proactively.Posted: Jun 17 This research will contribute to an ongoing effort to improve public safety by preventing and reducing severity of rural road crashes.Posted: Jun 13 This study focuses on understanding the relationship between the accuracy of an in-pavement strain-sensor based WIM system and its external contributors such as humidity, temperature, wander behavior and wind speed.Posted: Jun 10 Kam Ng, Dawit Mebrahtom, and Khaled Ksaibati
In this research, laboratory experiments on resilient modulus were performed to characterize the local crushed base materials in Wyoming. A comprehensive resilient modulus test program was completed.Posted: Jun 5 WYDOT implements the two-vehicle method to measure passing sight distances on Wyoming’s two-lane roads. The objective of this study is to provide two state-of-the-art prototypes of the two-vehicle method having advanced intelligent transportation system features to WYDOT.Posted: Jun 4 MPC researcher Ahmad Ghadban describes research for design, material selection, constructing, testing and application of FRC in South Dakota.Posted: Jun 3 The standards and protocols of CAV (connected-autonomous vehicles) technologies are currently in development, with limited number of tests and implementations. The installation of CAV hardware/software in traffic signals in Wyoming creates opportunities for developing methods and algorithms that would help the State's unique transportation challenges.Posted: May 31 Vanessa McEntee, a graduate student at the University of Utah, was selected to present findings from her research for the U.S. Senate in Washington D.C. on May 14 at the University Transportation Center's Spotlight Conference.Posted: May 30 MPC researcher Amanda Bordelon outlines research to develop and test an equation and a model to predict crack width in field projects using FRC.Posted: May 24 UGPTI researcher Raj Bridgelall and NDSU transportation and logistics doctoral student Leonard Chia presented papers at the SPIE 26th Annual International Symposium on Smart Structures and Material Systems + Nondestructive Evaluation in Denver, CO, in March.Posted: May 22 The primary objective of this project is to quantify the safety benefits of the CV pilot using non-traditional approaches. To evaluate the safety benefits of the CV applications, safety performance and microsimulation modeling will be conducted to aid in the evaluation process.Posted: May 21 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: May 16 Chris Pantelides, an MPC researcher at the University of Utah was recently honored for mentoring students and was selected as an Outstanding Reviewer for 2018 by the ASCE Journal of Structural Engineering.Posted: May 15 The objectives of this project are to evaluate factors that can affect E. coli removal by steel byproduct filters through laboratory column experiments, and to determine the long-term performance of a field scale steel byproduct filter for E. coli removal from stormwater.Posted: May 14 MPC researcher Shiling Pei describes research on costs and benefits of implementing ABC techniques in South Dakota and a development of a cost-benefit analysis model.Posted: May 13 The project aims to establish a comprehensive performance database for mechanically spliced precast bridge columns through large-scale testing,and verify or update current state-of-the-art design methods for mechanically spliced precast bridge columns.Posted: May 8 MPC researcher Allen Jones discusses research into the performance of waterborne and epoxy paint performance on concrete and asphalt pavements.Posted: May 7 Md. Daulat Hossain, a PhD. student in transportation and logistics, was recently elected President of the NDSU Graduate Student Council. The Graduate Student Council works to improve and maintain a standard of excellence in the graduate student experience at NDSU.Posted: May 7 Ziqi Song, Yi He, and Zhaocai Liu
Among various types of M&R projects, road capacity expansion is the one that requires massive resources and takes a long time to complete. Therefore, this study focuses on the project selection and scheduling for road capacity expansion projects.Posted: May 1 Zachary Carnahan, Michael Mingo, Mostafa Tazarv, and Nadim Wehbe
The present study was carried out to investigate the feasibility of alternative prefabricated bridge systems that can be incorporated in South Dakota.Posted: Apr 23 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: Apr 23 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: Apr 16 Moatassem Abdallah, Caroline M. Clevenger, Mehmet Ozbek, Aly Tawfik, and Shahryar Monghasemi
This project focuses on developing and implementing a new system to identify the optimal selection of business commute alternatives to minimize negative environmental impacts, as well as commuting time and cost for commuters in Denver and, eventually, the United States.Posted: Apr 9 This project studies how large-scale changes are made to engineering practice at DOTs within the specific context of bridge inspection. The project pursues a two-pronged approach to study the incentives and barriers to organization change.Posted: Apr 2 This project will use a probabilistic process-based model for landslide initiation to quantify the probability of landslide hazard across the landscape, and map these hazards onto the road and highway network to determine probabilities of landslide hazard continuously throughout the transportation network. Posted: Apr 1 This project will explore the potential of UAV-based remote sensing technology in transportation infrastructure inspection with a focus on bridges. The ultimate goal of the study is to develop an autonomous and quantitative infrastructure inspection procedure that requires minimum human intervention.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.
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