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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2014

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Dynamic Testing of a Non-Proprietary, High-Tension, Cable End Terminal System, Ronald K. Faller, Dean L. Sicking, Jennifer D. Schmidt, and John D. Reid

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Overwintering Biology and Tests of Trap and Relocate as a Conservation Measure for Burying Beetles, W. Wyatt Hoback and Adrienne Conley

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Development of a Nebraska Culvert Aquatic Organism Passage Screening Tool, W. Wyatt Hoback, Jeremy Grauf, and Erik Prenosil

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Investigation of Rural/Suburban High-Speed Multilane Roundabouts, Aemal Khattak, Eric Thompson, and Shanshan Zhao

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Evaluating the Impact of Deck Removal Method on the Performance of NU Girders, George Morcous

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Investigation of Closure Pour Elimination for Phased Construction of Steel Girder Bridges, Terri R. Norton and Armando Shane

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Safety Performance Evaluation of Weak-Post, W-Beam Guardrail Attached to Culvert, Scott K. Rosenbaugh, Ronald K. Faller, Dean L. Sicking, Karla A. Lechtenberg, Allison J. Schneider, and John D. Reid

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Predicting the Dynamic Fracture of Steel via a Non-Local Strain-Energy Density Failure Criterion, Kevin D Schrum, Dean L. Sicking, Ronald K. Faller, and John D. Reid

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Stormwater Pollution Treatment BMP Discharge Structures, Miles F. Simmons and David M. Admiraal

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Increased Span Length for the MGS Long-Span Guardrail System, Nicholas A. Weiland, Ronald K. Faller, Robert W. Bielenberg, and John D. Reid

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Comprehensive Evaluation of Fracture Critical Bridges, Aaron Jon Yakel, Atorod Azizinamini, Huy Pham, and Saeed Doust

2013

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Design of Cable-to-Post Attachments for Use in a Non-Proprietary, High-Tension, Cable Median Barrier, Ronald K. Faller, Robert W. Bielenberg, Dean L. Sicking, Cody S. Stolle, Karla A. Lechtenberg, Scott K. Rosenbaugh, Ryan J. Bateman, and John D. Reid

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Development of a New Energy-Absorbing Roadside/Median Barrier System with Restorable Elastomer Cartridges, Ronald K. Faller, Dean L. Sicking, Karla A. Lechtenberg, Robert W. Bielenberg, Scott K. Rosenbaugh, James C. Holloway, John D. Reid, and Jennifer D. Schmidt

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Optimized Aggregates Gradations for Portland Cement Concrete Mix Designs Evaluation, Wally Heyen, Lieska Halsey, Robert Rea, and Mick Syslo

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Midwest Guardrail System With Southern Yellow Pine Posts, Karla A. Lechtenberg, Robert W. Bielenberg, Ronald K. Faller, Dean L. Sicking, David A. Gutierez, and John D. Reid

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Implementation of 0.7 in. Diameter Strands in Prestressed Concrete Girders, George Morcous

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Life-Cycle Assessment of Nebraska Bridges, George Morcous

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Implementation of Precast Concrete Deck System NUDECK (2nd Generation), George Morcous and Maher K. Tadros

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Post Weld and Epoxy Anchorage Variations for W-Beam Guardrail Attached to Low-Fill Culverts, Scott K. Rosenbaugh, Ronald K. Faller, Dean L. Sicking, Robert W. Bielenberg, Craig W. Price, and John D. Reid

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Fertilizer Effects on Attaining Vegetation Requirements, Walter H. Schacht and Carol Wienhold

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Safety Performance Evaluation of the Non-Blocked Midwest Guardrail System, Kevin D Schrum, Karla A. Lechtenberg, Robert W. Bielenberg, Scott K. Rosenbaugh, Ronald K. Faller, and John D. Reid

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Establishing Permanent Vegetation after Highway Construction, John C. Soper and Walter H. Schacht

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Cable Median Barrier Failure Analysis and Remediation Phase II, Cody S. Stolle, Dean L. Sicking, Ronald K. Faller, and John D. Reid

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Pavement Quality Indicators, Connor Villanueva and Wayne Jensen

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Cost-Effective Treatment of Existing Guardrail Systems, Mitchell J. Wiebelhaus, Karla A. Lechtenberg, Dean L. Sicking, Ronald K. Faller, and Scott K. Rosenbaugh

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Development and Evaluation if Best Management Practices for Highway Runoff Pollution Control, Tian C. Zhang, John S. Stansbury, and Massom Moussavi

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Passive Stormwater Samplers for Sampling Highway Runoff From BMPS: Feasibility Studies, Tian C. Zhang, John S. Stansbury, and Massom Moussavi

2012

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Evaluation of the Environmental Impacts of Bridge Deck Runoff, Shannon L. Bartelt-Hunt, Lauren Swadener, and Ekizabeth G. Jones

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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