This collection includes the reports of research funded through the Nebraska Department of Transportation. The reports are accessible to people all over the world, and the research being done here is helping infrastructure departments and workers in Nebraska and beyond.

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2012

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Dynamic Testing of MGS W6X8.5 Posts at Decreased Embedment, Robert W. Bielenberg, Karla A. Lechtenberg, Ronald K. Faller, John D. Reid, Tyler L. Schmidt, and Mario Mongiardini

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Improved Models of Cable-to-Post Attachments for High-Tension Cable Barriers, Robert W. Bielenberg, Cody S. Stolle, and John D. Reid

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Improved Models of Cable-to-Post Attachments for High-Tension Cable Barriers, Robert W. Bielenberg, Cody S. Stolle, and John D. Reid

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Test Matrices for Evaluating Cable Median Barriers Placed in V-Ditches, Ronald K. Faller, Scott K. Rosenbaugh, Mario Mongiardini, and John D. Reid

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Determination of the Maximum MGS Mounting Height Phase II Detailed Analysis, Ramen D. Julin, Ronald K. Faller, John D. Reid, and Mario Mongiardini

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Safety Improvements at Highway-Railroad Crossing for Pedestrians and Bicyclists and the Assessment of Long-Term Effects of Centerline Curbing, Aemal Khattak and Zheng Luo

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Characteristics of Fatigued Commercial Motor Vehicle Drivers -- A Preliminary Investigation, Aemal Khattak and Carrie Mohlman

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Research on Roadway Performance and Distress at Low Temperature, Yong-Rak Kim, Soohyok Im, and Hoki Ban

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Evaluation of a Non-Proprietary, High-Tension, Four-Cable Median Barrier on Level Terrain, Karla A. Lechtenberg, Robert W. Bielenberg, Ronald K. Faller, Dean L. Sicking, Scott K. Rosenbaugh, Daniel M. Homan, Leah R. Kampschnieder, and John D. Reid

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Phase I Development of an Aesthetic, Precast Concrete Bridge Rail, Scott Rosenbaugh, Ronald K. Faller, Robert W. Bielenberg, Dean L. Sicking, and John D. Reid

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Phase II Development of a Non-Proprietary, Four-Cable, High Tension Median Barrier, Jennifer D. Schmidt, Dean L. Sicking, Ronald K. Faller, Karla A. Lechtenberg, Robert W. Bielenberg, Scott K. Rosenbaugh, and John D. Reid

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Cost-Effective Safety Treatments for Low-Volume Roads, Kevin D Schrum, Karla A. Lechtenberg, Cody S. Stolle, Ronald K. Faller, and Dean L. Sicking

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Speed Limit Recommendation in Vicinity of Signalized High-Speed Intersection, Anuj Sharma, Laurence Rilett, Zifeng Wu, and Shefang Wang

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Cable Median Barrier Failure Analysis and Prevention, Dean L. Sicking and Cody S. Stolle

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Determination of the Maximum MGS Mounting Height -- Phase I Crash Testing, Cale J. Stolle, Karla A. Lechtenberg, Ronald K. Faller, Robert W. Bielenberg, Scott Rosenbaugh, Dean L. Sicking, John D. Reid, and Erin A. Johnson

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Development and Recommendation for a Non-Proprietary, high-Tension, Cable End Terminal System, Ryan J. Terpsma, Ronald K. Faller, Dean L. Sicking, and John D. Reid

2011

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Evaluation of the In-Service Safety Performance of Safety-Shape and Vertical Concrete Barriers, Francisco Daniel Benicio de Albuquerque and Dean L. Sicking

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Development of a State of the Art Traffic Microsimulation Model for Nebraska, Justice Appiah, Bhaven Naik, Laurence Rilett, Yifeng Chen, and Seung-Jun Kim

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Evaluation of NDOR's Actuated Advance Warning Systems, Justice Appiah, Laurence Rilett, and Zifeng Wu

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Effectiveness Study On Temporary Pavement Marking Removals Methods, Yong Cho and Jae-Ho Pyeon

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Non-Nuclear Method for Density Measurements, Yong-Rak Kim and Yong Cho

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Developing Deterioration Models for Nebraska Bridges, George Morcous

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Development of Alternative Wood-Post MGS Approach Guardrail Transition, Scott K. Rosenbaugh, Kevin D. Schrum, Ronald K. Faller, Karla A. Lechtenberg, Dean L. Sicking, and John D. Reid

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The Effects of Pedestrian Countdown Timers on Safety and Efficiency of Operations at Signalized Inersections, Anuj Sharma and Jacob Schmitz

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Impact of 0.7 inch Diameter Strands on NU I-Grinders, Maher K. Tadros and George Morcous

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Model for Predicting the Impact Upon Economic Development Resulting from Highway Improvement Projects, Eric Thompson, Kanou Comlavi, and Mallory Dimmit

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Phase I Development of a Non-Proprietary, Four-Cable, High Tension Median Barrier, Mitchell J. Wiebelhaus, Dean L. Sicking, Ronald K. Faller, Karla A. Lechtenberg, John R. Rohde, Robert W. Bielenberg, Scott Rosenbaugh, Erin A. Johnson, and John D. Reid

2010

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Infrared Thermography-Driven Flaw Detection and Evaluation of Hot Mix Asphalt Pavements, Yong K. Cho, Thaddaeus Bode, and Yong-Rak Kim

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Infrared Thermography-Driven Flaw Detection and Evaluation of Hot Mix Asphalt Pavements, Yong K. Cho, Yong-Rak Kim, and Thaddaeus Bode

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Rapid Construction of Pacific Street Bridge, Kromel E. Hanna, George Morcous, and Maher K. Tadros

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Second Generation Precast Deck Panel (NUDECK) System, Kromel E. Hanna, George Morcous, and Maher K. Tadros

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Design Aids of NU I-Grinder Bridges, Kromel Hanna, George Morcous, and Maher K. Tadros

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Layer Moduli of Nebraska Pavements for the New Mechanistic Empirical Pavement Design Guide, Soohyok Im, Yong-Rak Kim, and Hoki Ban

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Dynamic Impact Testing of Wood Posts for the Midwest Guardrail System Placed Adjacent to a 2H:1V Fill Slope, Karla A. Lechtenberg, Robert W. Bielenberg, Ronald K. Faller, Dean L. Sicking, Mary D. McGhee, and John D. Reid

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Load Rating of Complex Bridges, George Morcous, Kromel E. Hanna, and Maher K. Tadros

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Bottom Flange Reinforcement in NU I-Grinders, George Morcous, Kromel E. Hanna, and Maher K. Tadros

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Performance Evaluation of Brass Breakaway Couplings, Joseph G. Putjenter, Scott K. Rosenbaugh, Karla A. Lechtenberg, Ronald K. Faller, Dean L. Sicking, and John D. Reid

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Development of Advanced Finite Element Material Models for Cable Barrier Wire Rope, John D. Reid, Karla A. Lechtenberg, and Cody S. Stolle

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Foundation Design for High Tension Cable Guardrails, John R. Rohde, Ryan J. Terpsma, and Ling Zhu

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Development of the MGS Approach Guardrail Transition Using Standardized Steel Posts, Scott K. Rosenbaugh, Ronald K. Faller, Robert W. Bielenberg, Karla A. Lechtenberg, Dean L. Sicking, and John D. Reid

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Offset Right-Turn Lanes for Improved Intersection Sight Distance, Karen Schurr and Timothy J. Foss Jr.

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Optimal Design of Work Zone Median Crossovers, Karen Schurr, Brian R. Garnder, and Shashwat Rijal

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Safety and Driver Behavior Studies at Multiple Lane Approaches to Stop-Controlled Intersections, Karen Schurr and Daniel Sitorius

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Development of a Low Cost, Energy-Absorbing Bridge Rail, Dean L. Sicking, Robert W. Bielenberg, Ronald K. Faller, Karla A. Lechtenberg, Scott K. Rosenbaugh, and John D. Reid

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Investigating the Use of a New Universal Breakaway Steel Post -- Phase III, Dean L. Sicking, Ronald K. Faller, Robert W. Bielenberg, Karla A. Lechtenberg, and Jennifer D. Schmidt

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Development and Evaluation of the Midwest Guardrail System Placed Adjacent to a 2:1 Fill Slope, Mitchell J. Wiebelhaus, Ronald K. Faller, Robert W. Bielenberg, John R. Rohde, Karla A. Lechtenberg, Dean L. Sicking, Gopi Dey, and John D. Reid

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Development and Evaluation of the Midwest Guardrail System (MGS) Placed Adjacent to A 2:1 Fill Slope, Mitchell J. Wiebelhaus, Ronald K. Faller, Karla A. Lechtenberg, Dean L. Sicking, Robert W. Bielenberg, John R. Rohde, John D. Reid, and Gopi Dey

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Development of a Temporary Concrete Barrier To Permanent Concrete Median Barrier Approach Transition, Mitchell J. Wiebelhaus, Karla A. Lechtenberg, Ronald K. Faller, John R. Rohde, Ryan J. Terpsma, Robert W. Bielenberg, Dean L. Sicking, and John D. Reid

2009

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Development of Field Data for Effective Implementation of Mechanistic Empirical Pavement Design Procedure, Atorod Azizinamini, Nima Ala, and Mohammad Ajmal Stanigzai

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Behavior and Design of Buried Concrete Pipes Phase II, Ece Erdogmus and Maher K. Tadros

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Steel Box System Monitoring of N-2 over I-80 Bridge, Luke A. Glaser

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Nondestructive Method to Detect Corrosion of Steel Elements in Concrete, Saeed Javidi Niroumand, Aaron Jon Yakel, Atorod Azizinamini, and Marcelo DaSilva

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Investigation and Mitigation of Driver Confusion at Modern Roundabouts, Aemal Khattak, Gregory McKnight, Karen Schurr, and Ram R. Bishu

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Effects of Aggregate Angularity on Mix Design Characteristics and Pavement Performance, Yong-Rak Kim and Leonardo T. Souza

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Performance Limits for 6-In. High Curbs Placed in Advance of the MGS Using Mash Vehicles Part:II Full-Scale Crash Testing, Karla A. Lechtenberg; Ronald K. Faller; Dean L. Sicking; Robert W. Bielenberg M.S.C.E., E.I.T.; Jeffery C. Thiele; and John D. Reid

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Use of Ground Penetrating Radar for Construction Quality Assurance o Concrete Pavement, George Morcous and Ece Erdogmus

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Moisture Sensitivity of Hot Mix Asphalt Mixtures in Nebraska -- Phase II, Ingryd Pinto, Hoki Ban, and Yong-Rak Kim

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Termination and Anchorage of Temporary Concrete Barriers, Scott Rosenbaugh; Robert W. Bielenberg; Ronald K. Faller; John R. Rohde; Dean L. Sicking; Karla A. Lechtenberg; James C. Holloway M.S.C.E., E.I.T.; and John D. Reid

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Effects of Aggregate Angularity on Mix Design Characteristics and Pavement Performance, Leonardo T. Souza and Yong-Rak Kim

2008

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Research on Fatigue of Asphalt Mixtures and Pavements in Nebraska, Francisco Thiago S. Aragao, Yong-Rak Kim, and Junghun Lee

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Proctor Compaction Testing, Joshua Connelly, Wayne Jensen, and Paul Harmon

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Design and Evaluation of a Low-Tension Cable Guardrail End Terminal System, Rebecca A. Hitz, Kirk J. Molacek, Cody S. Stolle, Karla A. Polivka, Ronald K. Faller, John R. Rohde, Dean L. Sicking, and John D. Reid

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Water Balance Analysis for a Nebraska Sand Hills Wetland Mitigation Site, Kyle Hoagland, F. Edwin Harvey, Timothy Arkebauer, and Wyatt R. Webster

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Investigation of Asphalt Pavement Analyzer Testing Program in Nebraska, Minki Hong

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Approach Slope for Midwest Guardrail System, Erin A. Johnson; Karla A. Lechtenberg; Dean L. Sicking; Robert W. Bielenberg M.S.C.E., E.I.T.; Ronald K. Faller; John R. Rohde; and John D. Reid

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Pavement Quality Indicators Study, Cody Kluver and Wayne Jensen

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Performance Evaluation of Safety Grates for Cross-Drainage Culverts, Karla A. Polivka, Dean L. Sicking, Robert W. Bielenberg, John R. Rohde, Ronald K. Faller, and John D. Reid

Phase IV Development of a Short-Radius Guardrail for Intersecting Roadways, Karla A. Polivka, Cody S. Stolle, Robert W. Bielenberg, Ronald K. Faller, Dean L. Sicking, John R. Rohde, and John D. Reid

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Development of a Stand-Alone Concrete bridge Pier Protection System, Scott Rosenbaugh, Ronald K. Faller, Jason A. Hascall, Robert W. Bielenberg, Karla A. Polivka, John R. Rohde, Dean L. Sicking, and Erin M. Allison

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Improved Method of Using Traffic Estimates to Evaluate intersection Improvements, Karen Schurr, Krishna C. Movva, and Linna Zhang

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Cable Median Barrier Guidelines, Dean L. Sicking, Karla A. Lechtenberg, and Francisco Daniel Benicio de Albuquerque

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Evaluation of Critical Flare Rates for the Midwest Guardrail System, Cody S. Stolle; Karla A. Polivka; Ronald K. Faller; Robert W. Bielenberg M.S.C.E., E.I.T.; Dean L. Sicking; John R. Rohde; and John D. Reid

Design Evaluation of a Low-Tension Cable Guardrail End Terminal System, Cody S. Stolle, Karla A. Polivka, Ronald K. Faller, John R. Rohde, Dean L. Sicking, Rebecca A. Hitz, Kirk J. Molacek, and John D. Reid

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Evaluation of a Modified Three Cable Guardrail Adjacent to Steep Slope, Ryan J. Terpsma, Dean L. Sicking, Karla A. Polivka, John R. Rohde, Ronald K. Faller, and John D. Reid

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Implementation of Conductive Concrete for Deicing (Roca Bridge), Christopher Y. Tuan

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Evaluation of Rigid Hazards Placed in the Zone of Intrusion, Mitchell J. Wiebelhaus, Ronald K. Faller, Dean L. Sicking, Karla A. Polivka, John R. Rohde, Robert W. Bielenberg, James C. Holloway, and John D. Reid

2007

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Streambank Stabilization Using Traditional and Bioengineering Methods:A Literature Review, David M. Admiraal

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Midwest Guardrail System for Long-Span Culvert Application, Robert W. Bielenberg, Ronald K. Faller, John R. Rohde, Dean L. Sicking, James C. Holloway, Karla A. Polivka, John D. Reid, and Erin M. Allison

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Development of the Midwest Guardrail System (MGS) W-beam to Thrie Beam Transition Element, Ronald K. Faller, John R. Rohde, Robert W. Bielenberg, Karla A. Polivka, Dean L. Sicking, John D. Reid, Craig M. Eller, and Erin M. Allison

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Design and Evaluation of an Open Combination Traffic/Bicycle Bridge Railing System, Jason A. Hascall; John R. Rohde; Dean L. Sicking; Karla A. Polivka; Ronald K. Faller; and James C. Holloway M.S.C.E., E.I.T.

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Centerline Curbing Treatment at Railroad Crossings for Improved Safety, Aemal Khattak, Dwight L. Mosby Jr., Gregory McKnight, and Brian Gardner

Implementation of the AASHTO LRFD Code in Geotechnical Design, Andrzej S. Nowak; Marek Kozikowski,; Tomasz A Lutomirski; Piotr Paczkowski; and Jordan Larsen

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Safety Performance Evaluation of Minnesota's Temporary Rigid Panel Sign Stand Systems, Karla A. Polivka, James C. Holloway, Ronald K. Faller, and John R. Rohde

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Development of a TL-5 Vertical Faced Concrete Median Barrier Incorporating Head Ejection Criteria, Scott Rosenbaugh, Dean L. Sicking, and Ronald K. Faller

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Phase III Development of a Short-Radius Guardrail for Intersecting Roadways, Cody S. Stolle, Karla A. Polivka, Robert W. Bielenberg, Ronald K. Faller, Dean L. Sicking, John R. Rohde, and John D. Reid

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Blowout Penstemon (Penstemon haydenil) Endangered Species, James Stubbendieck and Kay Lynn Kottas

Design Aids for Threaded Rod Precast Prestressed Girder Continuity System, Maher K. Tadros and Leslie D. Martin

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A Performance-Based Incentive Program for Asphalt Pavement, Tim Wentz, Satya Peruri, Wayne Jensen, and Bruce Fischer

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Three Innovative Concepts for Short Span Steel Bridges, Aaron Jon Yakel, Atorod Azizinamini, Mohammadreza Farimani, and Nazzanin Mossahebi

2006

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Behavior and Design of Buried Concrete Pipes, Ece Erdogmus and Maher K. Tadros

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Crumb Rubber in Performance-Graded Asphalt Binder, Wayne Jensen and Magdy Abdelrahman

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Intersection Safety, Aemal Khattak

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Restricted-Zone Requirements for Superpave Mixes Made with Local Aggregate Sources, Yong-Rak Kim

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Material Selection and Design Consideration for Moisture Damage of Asphalt Pavement, Jamilla Emi Sudo Lutif and Yong-Rak Kim

2005

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Investigating Binder Flushing of SP-2 Mixes, Magdy A. Abdelrahman

Development of a Steel Bridge System - Simple for Dead Load and Continuous for Live Load, Atorod Azizinamini, Aaron Jon Yakel, and Mohammadreza Farimani

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Evaluation of Alternate Cable Anchor Designs and Three-Cable Guardrail Adjacent to Steep Slope, Ryan M. Nelson, Dean L. Sicking, Ronald K. Faller, John D. Reid, John R. Rohde, Karla A. Polivka, and Jason A. Hascall

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Development, Testing and Evaluation of NDOR' TL-5 Aesthetic Open Concrete Bridge Rail, Karla A. Polivka, Ronald K. Faller, James C. Holloway, Dean L. Sicking, and John R. Rohde

Effects of Central Island Landscape Treatments at Single-Lane Roundabouts, Karen Schurr and Jorge Abos-Sanchez

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NDOR Regression Equations, Branden J. Strahm and David M. Admiraal