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InTrans

Institute for Transportation

InTrans|Past Staff/Affiliate

Paul Wiegand

About Paul

Terry Wipf

About Terry

Completed Research


Feb, 2019
Investigation and Evaluation of the Iowa Department of Transportation Bridge Deck Epoxy Injection Process
Oct, 2018
Precast Concrete Bridge Barriers for Accelerated Bridge Construction
Aug, 2017
Study of the Impacts of Implements of Husbandry on Iowa Bridges
Oct, 2016
Strength, Durability, and Application of Grouted Couplers for Integral Abutments in Accelerated Bridge Construction
Dec, 2015
Synthesis on the Use of Accelerated Bridge Construction Approaches for Bridge Rehabilitation
Jul, 2015
Improving the Accuracy of Camber Predictions for Precast Prestensioned Concrete Beams
Jul, 2014
Structural Characterization of UHPC Waffle Bridge Deck and Connections
Jun, 2014
Work Plan for the Bridge Center and Bridge Engineer Program FY2014-Dynamic Sensor
Dec, 2013
RFID Tags for Detecting Concrete Degradation in Bridge Decks
Jun, 2013
Design Guide for Precast UHPC Waffle Deck Panel System, including Connections
May, 2013
Wind Loads on Dynamic Message Cabinets and Behavior of Supporting Trusses
Apr, 2013
Laboratory and Field Testing of an Accelerated Bridge Construction Demonstration Bridge: US Highway 6 Bridge over Keg Creek
Dec, 2012
Field Evaluation of Methods to Minimize Transverse Glulam Deck Deflection Phase III
Dec, 2012
Performance of Lightweight Foam Concrete Fill and Post-Grouted Drilled Shafts in Broadway Viaduct Replacement
May, 2012
Evaluation of Various Methods for Deflecting Debris from Bridge Piers
Mar, 2012
Literature Review and Assessment of Nanotechnology for Sensing of Timber Transportation Structures
Dec, 2011
Evaluation of the Buena Vista IBRD Bridge: A Furthering of Accelerated Bridge Construction in Iowa
Jun, 2011
Preservation of Covered Bridges
Jan, 2011
Design, Construction, and Field Testing of an Ultra-High Performance Concrete Pi-Girder Bridge
Dec, 2010
Evaluation of a Bridge Constructed with Ultra-High Performance Concrete
Dec, 2010
Implementation and Evaluation of Smart Timber Bridge Concepts to Provide Continuous Structural Condition Assessment
Nov, 2010
Structural Design, Construction, and Evaluation of a Prestressed Concrete Bridge Using Ultra High Performance Concrete Pi Girders
Jun, 2010
Evaluation of the 24th Street Bridge, Interstate 80/29, Council Bluffs, Iowa
Apr, 2010
Testing and Long-Term Monitoring of 9th Street Bridge Over I-235 in Des Moines: Integral Abutments Supported on Steel Pile/Concrete Drilled Shaft in Glacial Clay
Feb, 2010
An Experimental Validation of a Statistical-Based Damage Detection Approach
Feb, 2010
Remote Monitoring of Historic Covered Timber Bridges in Madison County for the Prevention of Arson and Vandalism
Oct, 2009
Innovative Bridge Designs for Rapid Renewal
Sep, 2009
Design and Evaluation of a Single-Span Bridge Using Ultra-High Performance Concrete
Jan, 2009
Laboratory and Field Testing and Evaluation of Precast Bridge Elements
Jan, 2009
Madison County Bridge Evaluation
Oct, 2008
Construction and Evaluation of a Prestressed Concrete Bridge Constructed Using Ultra High-Performance Concrete
Sep, 2008
Evaluation of a Bridge Constructed Using Accelerated Construction Practices
Aug, 2008
Evaluation of FRP Temporary Bypass Bridge
May, 2008
Feasibility Investigation of Segmentally Precast Bridge Piers for Accelerated Construction
Feb, 2008
Evaluation of a Precast, Post-Tensioned Bridge Paving Notch
Dec, 2007
Development and Demonstration of Fleet Management Strategies for Timber Bridges
Dec, 2007
Field Evaluation of Timber Preservation Treatments for Iowa Highway Applications (IHRB-05-10)
Nov, 2007
Development of Fatigue Design Procedures for Slender, Tapered Support Structures for Highway Signs, Luminaries, and Traffic Signals Subjected to Wind-Induced Excitation from Vortex Shedding and Buffeting
Oct, 2007
Investigation of Steel Stringer Bridges: Superstructures and Substructures, Vol II (TR-522)
Aug, 2007
Field Testing of Railroad Flatcar Bridges (TR-498)
Jun, 2007
Development of a 5 Year Research Plan for the Development of a Smart Glued-Laminated Timber Bridge
Jun, 2007
Needs Assessment for Advancing Timber Utilization in Mainline and Shortline Railroad Applications
Mar, 2007
Evaluation of a Timber Bridge for the Secondary Road System Using FRP-Reinforced Glulam Girders
Dec, 2006
Evaluation of a Prestressed Concrete Bridge Constructed using Ultra High-Performance Concrete
Dec, 2006
Evaluation of a Single-Span Steel-Girder Bridge Using a Steel-Free Deck System in Tama County
May, 2006
Evaluation of a Bridge Constructed Using High-Peformance Steel
May, 2006
Evaluation of Corrosion Resistant Steel Reinforcing in the Deck Slab of a Three Span Prestressed Girder Bridge
Apr, 2006
Performance Evaluation of Steel Bridges, Phase II (TR-493)
Feb, 2006
Evaluation of a Three-Span, Prestressed Concrete Girder Bridge Constructed with FRP Components
Dec, 2005
Monitoring Wind-Induced Vibrations/Stresses in a High Mast Lighting Tower
Sep, 2005
Development and Implementation of Design Recommendations for the Minimization of Timber Deck Panel Differential Deflection
Sep, 2005
Enhancement of Wisconsin DOT NDE Capabilities
Aug, 2005
Evaluation of a Steel Girder Bridge Strengthened Using Fiber Reinforced Polymer Plates
Dec, 2004
Development of Acceptable Live Load Deflection Criteria for Various Timber Superstructure and Deck Types
Dec, 2004
Evaluation of the Effectiveness of Glued Laminated Helper Stringers
Dec, 2004
Impacts of Overweight Implements of Husbandry on Minnesota Roads and Bridges
Sep, 2004
Health Monitoring of Bridge Structures and Components Using Smart-Structure Technology
Mar, 2004
Effective Structural Concrete Repair
Dec, 2003
Monitoring and Evaluation of the Westbound Roadway of the Iowa River Bridge
Oct, 2003
Evaluation of a Post-tension Strengthened Steel Girder Bridge Using FRP Rods/Strands
Aug, 2003
Development of Abutment Design Standards for Local Bridge Designs
Jun, 2003
Maintenance, Repair, and Rehabilitation of Low Volume Road Bridges
Aug, 2002
Demonstration Project Using Railroad Flat Cars for Low Volume Road Bridges
Aug, 2002
Development of Bridge Load Testing for Load Evaluation (TR-445)
Aug, 2002
Retrofit Methods of Distortion Cracking Problems in Plate Girder Bridges
Jun, 2002
NCHRP Project 20-5, Topic 32-08 “Cost Effective Structures for Off-System Bridges”
Mar, 2002
Alternative Solutions to Meet the Service Needs of Low Volume Bridges in Iowa (TR-452)
Nov, 2001
Development of Modeling Preprocessors and Postprocessors for Evaluation of Timber Bridges
Apr, 2001
Field and Laboratory Evaluation of Precast Concrete Bridges
Jul, 1999
Feasibility of Using Railroad Flat Cars for Low Volume Road Bridges
Jun, 1998
Preventing Cracking at Diaphragm/Plate Girder Connections in Steel Bridges (TR-393)
Aug, 1996
Field Testing and Evaluation of Three Rehabilitated Timber Railroad Bridges
Nov, 1995
Dynamic Performance of Timber Bridges
Jun, 1992
Research Needs Study for Wood Transportation Structures
Dec, 1986
Development of Design Criteria for Longitudinal Glued Laminated Timber Deck Bridges
Sep, 1986
Behavior of Longitudinal Glued Laminated Timber Deck Bridges

Doug Wood

About Doug

Zhenhua Zhang

AFFILIATIONS

InTrans

About Zhenhua

In-Progress Research


Nov, 2017
Business Analytics in Government

David White

About David

Completed Research


Nov, 2021
Effectiveness of Geotextiles/Geogrids in Roadway Construction; Determine a Granular Equivalent (GE) Factor
Dec, 2020
Improving the Foundation Layers for Concrete Pavements
Mar, 2018
Performance Monitoring of Boone County Expo Pavement Sections, (Continuation – Phase III)
Aug, 2016
Technology Transfer Intelligent Compaction Consortium
Mar, 2016
Embankment Quality and Assessment of Moisture Control Implementation
Mar, 2016
Toward Autonomous and Robotic Infrastructure Construction: A Workshop and Field Studies of Productivity, Quality, and Safety Impacts
Feb, 2016
Cement Stabilization of Embankment Materials
Dec, 2015
Use of Automated Machine Guidance (AMG) within the Transportation Industry
Oct, 2015
Quantifying Road Roughness from Terrestrial Laser Scanning
Jun, 2015
Low-Cost Rural Surface Alternatives: Demonstration Project
Dec, 2014
Optimizing Pavement Base, Subbase and Subgrade Layers for Cost and Performance on Local Roads
Dec, 2014
SHRP2 Geotechnical Solutions for Soil Improvement, Rapid Embankment Construction, and Stabilization of the Pavement Working Platform
Dec, 2013
Boone County Expo Research Phase I – Granular Road Compaction and Stabilization
Dec, 2013
Low-Cost Rural Surface Alternatives
Sep, 2013
Pilot Construction Project for Granular Shoulder Stabilization
Sep, 2013
Western Iowa Missouri River Flooding – Geo-Infrastructure Damage Assessment, Repair, and Mitigation Strategies
Dec, 2012
Compaction “Roadeo” Field Demonstration: Roller-Integrated Compaction Monitoring and Subgrade Geosynthetic Reinforcement
Dec, 2012
Performance Assessment of Lime and Fly Ash Chemically Treated Subgrade
Sep, 2012
Timber Abutment Piling and Back Wall Rehabilitation and Repair
Jan, 2012
Modified Sheet Pile Abutments for Low Volume Bridges (TR-568)
Dec, 2011
Geosynthetic Reinforced Soil for Low Volume Bridge Abutments
Aug, 2011
Accelerated Implementation of Intelligent Compaction Technology for Embankment Subgrade Soils, Aggregate Base, and Asphalt Pavement Materials
Jul, 2011
Iowa DOT Roller Integrated Compaction Monitoring Research and Implementation
Jun, 2011
Iowa DOT Roller Integrated Compaction Monitoring Technology Research and Implementation – Phase II
May, 2011
Stabilization Procedures to Mitigate Edge Rutting for Granular Shoulders, Phase II (TR-591)
Jan, 2011
Identification and Evaluation of Pavement-Bridge Interface Ride Quality Improvement and Corrective Strategies
Dec, 2010
Earthwork Volumetric Calculations and Characterization of Additional CFED Soils – CFED Phase IV
Dec, 2010
Stabilization Procedures to Mitigate Edge Rutting for Granular Shoulders – Phase II
Nov, 2010
Iowa DOT Intelligent Compaction Research and Implementation: Phases I and II
Oct, 2010
In-Situ Compaction Measurements for Geosynthetic Stabilized Subbase: Weirton, West Virgina
Oct, 2010
Intelligent Soil Compaction Systems
Aug, 2010
Rapid, Self-Contained In-Situ Permeameter for Field QA/QC of Pavement Base/Subbase Materials
Apr, 2010
Optimization and Management of Materials in Earthwork Construction (TR-501)
Apr, 2009
Intelligent Compaction for Evaluation of Geogrid Reinforced Base Material
Mar, 2009
Implementation of Intelligent Compaction Performance-Based Specifications in Minnesota
Nov, 2008
Investigation of Soil Stabilization Alternatives: Texas SH 130 (Phase I, Laboratory)
Sep, 2008
Design Guide for Improved Quality of Roadway Subgrades and Subbases (TR-525)
Aug, 2008
Investigation of Dual Roller-Integrated MDP/CMV Compaction Monitoring Technologies and Measurement Influence Depth
Aug, 2008
Compaction Forecasting, Development, Validation, and Application Research
Jul, 2008
Performance Evaluation of Concrete Pavement Granular Subbase: Pavement Surface Condition Evaluation (TR-554)
May, 2008
Measurements of Seasonal Changes and Spatial Variation in Pavement Subgrade Support Properties: A Link to Pavement Performance (TR-516)
Apr, 2008
Laboratory Kneading Compactor Evaluation and In Situ Measurements Database Development
Dec, 2007
Develop Onboard Machine Technology for Real-Time Determination of Soil Water Content
Oct, 2007
Embankment Quality, Phase 4: Application to Unsuitable Soils (TR-492)
Oct, 2007
Investigation of Steel Stringer Bridges: Superstructures and Substructures, Vol II (TR-522)
Jun, 2007
Effective Shoulder Design and Maintenance (TR-531)
Apr, 2007
Field Study of Compaction Monitoring Systems: Self-Propelled Non-Vibratory 825G and Vibratory Smooth Drum CS-533E Rollers
Feb, 2007
Field Validation of Intelligent Compaction Monitoring Technology for Unbound Materials and HMA
Mar, 2006
Field Evaluation of Compaction Monitoring Technology: Phase II
Feb, 2006
Mix Design Development for Pervious Concrete in Cold Weather Climates
Dec, 2005
Innovative Solutions for Slope Stability Reinforcement and Characterization in Iowa Soils (TR-489)
Dec, 2005
Investigation of Improved Utility Cut Repair Techniques to Reduce Settlement in Repaired Areas (TR-503)
Nov, 2005
Self-Consolidating Concrete: Applications for Slip Form Paving, Phase 1
Oct, 2005
Nondestructive Testing Technology for Quality Control and Acceptance of Flexible Pavement Construction
Sep, 2005
Slope Stability Evaluation and Remediation Techniques for Iowa
Jul, 2005
Applications for Reuse of Lime Sludge from Water Softening (TR-535)
Jun, 2005
Review of Stability Berm Alternatives for Environmentally Sensitive Areas
May, 2005
A Pilot Study to Investigate the Use of Aggregate Screenings in Roadway Construction
May, 2005
Synthesis of Non-Destructive Testing Technologies for Geomaterial Applications
Apr, 2005
Fly Ash Soil Stabilization for Non-Uniform Subgrade Soils (TR-461)
Apr, 2005
Soil Stabilization of Non-Uniform Subgrade Soils (TR-461, Proj. 4)
Jan, 2005
Identification of the Best Practices for the Design, Construction, and Repair of Bridge Approach Sections
Sep, 2004
Cost Comparison of Treatments Used to Maintain or Upgrade Aggregate Roads
Sep, 2004
Field Evaluation of Compaction Monitoring Technology: Phase I (TR-495)
May, 2004
Determination of the Optimum Base Characteristics for Pavements (TR-482)
Aug, 2003
Development of Abutment Design Standards for Local Bridge Designs
Jun, 2002
Evaluation of Rammed Aggregate Piers for Highway Applications in Iowa Soils (TR-443)
Mar, 2002
Embankment Quality, Phase 3 (TR-401)
Apr, 1998
Embankment Quality: Phase I and Phase II

John Shaw

About John

Duane Smith

About Duane

Gordon Smith

About Gordon

Reginald Souleyrette

About Reginald

Completed Research


Dec, 2011
Development of a Conflict Analysis Methodology Using SSAM
Dec, 2011
Managing Decisions Regarding Rural Expressway Routes and Associated Bypasses
Aug, 2011
A Transportation Safety Planning Tool for the City of Ames
Aug, 2011
Applicability of Road Assessment Program Methods to Metropolitan Safety Planning
Jul, 2011
Management of Rural Expressways for Improved Safety and Operational Performance
Dec, 2010
Horizontal Curve Identification and Evaluation
Dec, 2010
Safety Analysis of Low Volume Rural Roads in Iowa
Oct, 2010
Investigation of the Impacts of Rural Development on Iowa’s Secondary Road Systems
Jun, 2010
Iowa Traffic Safety Data Service
Dec, 2009
Enhancements to the Incident Mapping and Analysis Tools (IMAT)
Dec, 2009
Location Tool Support for TraCS Location Tool States
Dec, 2009
New Implementation of the Incident Location Tool
Dec, 2009
Median Intersection Design for Rural High-Speed Divided Highways
Sep, 2009
Incident Location Tool Support for Iowa DOT
Jun, 2009
usRAP-Phase III
Feb, 2009
Safety Data Improvement
Jan, 2009
Evaluation of 70 mph Speed Limit
Dec, 2008
US Road Assessment Program, Phases 1-3
Dec, 2008
Weatherview: XML Data Structure & Maintenance
Aug, 2008
Geospatial safety analysis for highway curves and resurfacing projects
Jun, 2008
Impact of Some Site-Specific Characteristics on the Success of the Signalization of High-Speed Intersections
May, 2008
Development of a High Speed Rigid Pavement Analyzer – Phase I Feasibility and Need Study
Oct, 2007
Development of a Device for Analysis of Portland Cement Concrete and Composite Pavements: Phase 1 Feasibility Study
Jul, 2007
Assessment of Channelizing Device Effectiveness on High Speed/High Volume Roadways
Apr, 2007
Development of a New Process for Determining Design Year Traffic Demands (TR-528)
Mar, 2007
State Traffic Safety Engineers List
Sep, 2006
Crash Mapping Analysis Tool for Minnesota DOT
Aug, 2006
Crash Record Validation Study
Jul, 2006
Cooperative Intersection Collision Avoidance System Benefit/Cost Analysis Tool
Jun, 2006
High-Speed Expressway Intersections Study of Crash Risk Factors
May, 2006
Enhancements to the Iowa DOT Crash Mapping Analysis Tool (CMAT) Software
Dec, 2005
Helikite-based Remote Monitoring Platform
Dec, 2005
Minnesota Mapping Analysis Tool (MnMAT) Enhancements
Oct, 2005
Guidelines for Removal of Traffic Control Devices in Rural Areas
Aug, 2005
Incident Mapping Analysis Tool: Oracle Database Interface
Aug, 2005
Safety Effectiveness of High-Speed Expressway Signals
Jul, 2005
Incident Location Tool (ILT)
Jun, 2005
Development of Internet-based RWIS (Road Weather Information System) AWOS (Airport Weather Observation System) Information Delivery Tools (AKA Weatherview)
Jun, 2005
Four-Lane to Three-Lane Analysis
Jun, 2005
Iowa Pavement Management Program, Phase 10
Feb, 2005
Incident Mapping and Analysis Tool (IMAT)
Dec, 2004
Crash Mapping Analysis Tool (CMAT)
Nov, 2004
Safety Data Collection and Analysis Software Support for New York State Police
May, 2004
Planning, Implementation and Operation of the IPMP, Phase IX
Apr, 2004
Software Enhancements for the Crash Mapping and Analysis Tool
Mar, 2004
City of West Des Moines Subarea Model
Feb, 2004
Effectiveness of All-Red Clearance Time on Intersection Accidents and Violation Trends
Oct, 2003
Application of Advanced Remote Sensing Technology to Asset Management
Jul, 2003
Traffic Monitoring Program Planning with Remote Sensing, Phase I
May, 2003
Planning, Implementation, and Operation of the IPMP, Phase VIII
Jan, 2003
Angle Parking on Iowa’s Low Volume Primary Extensions in Small Towns
Dec, 2002
Iowa DOT Internet-Based Road Work Report
Dec, 2002
Pedestrian Crossing Safety Technology Assessment
Oct, 2002
Comparison of LIDAR and Photogrammetry for Highway Planning and Design
Oct, 2002
Vendor Weather Forecast
Sep, 2002
Development of an Advanced Traveler Information: Weatherview, Phase II: Enhancements; Phase III: Support
Sep, 2002
GIS-ALAS TraCS Conversion Software
Jul, 2002
Iowa DOT Linear Referencing System: Preliminary Linear Data Creation
Jun, 2002
Planning, Implementation and Operation of the IPMP, Phase VII
May, 2002
Comparison of LIDAR and Conventional Mapping Methods for Highway Corridor Studies
Mar, 2002
Process to Identify High Priority Corridors for Access Management Near Large Urban Areas in Iowa
Dec, 2001
Development of a Winter Road Conditions Reporting System
Sep, 2001
Emergency Response Information System (ERIS)
Jun, 2001
Geographic Information System-Based Accident Location and Analysis System (GIS-ALAS)
Jun, 2001
Origin Destination Model Estimation for I-235 Traffic Simulation Study
Jun, 2001
Paved Shoulders on Primary Highways in Iowa: An Analysis of Shoulder Surfacing Criteria, Costs, and Benefits
Jun, 2001
Remote Sensing to Support Linear Referencing Systems
Jun, 2001
Systematic Identification of High Crash Locations
Jun, 2001
Use of Remotely Sensed Data for Infrastructure Management, Access Management, and Inventory
Apr, 2001
Implementation of Iowa DOT Pavement Management Optimization Model, 2000
Dec, 2000
Planning, Implementation, and Operation of the IPMP, Phase VI: Proposal to develop the Implementation and Operation of the IPMP
Sep, 2000
Crash Outcome Data Evaluation System (CODES): An Evaluation of Medical Crash Costs
Jun, 2000
GIS/TRANPLAN Enhancement Project
Dec, 1999
Implementation of GIS at the Iowa Department of Transportation
Dec, 1999
Implementation of Iowa DOT Pavement Management Optimization Model, 1999
Dec, 1999
Planning, Implementation, and Operation of the Iowa DOT Pavement Management Program, Phase V: Proposal to Develop the Implementation and Operation of the IPMP
Dec, 1999
Development of a GIS-based Crash Location Tool: Intelligent Crash Location Tool, Phase III
Dec, 1999
Development of a GIS-Based Crash Location Tool, Phase II
Dec, 1999
GIS Support for the Iowa Department of Transportation (1999)
Dec, 1998
Development of Training Materials for Federal Data Workbooks
Dec, 1998
Geographic Information System (GIS) Database Development, Integration, and Maintenance for the Iowa Department of Transportation Maintenance Division
Dec, 1998
Coordination of Data Elements to support ISTEA Management Systems, Phase II, Statewide Implementation
Dec, 1998
GIS 1996-1998
Dec, 1998
Statewide Transportation Planning Model and Methodology Development Program
Aug, 1998
GIS Traffic Planning Tools
Jun, 1998
Improved Employment Data For Transportation Planning
Dec, 1997
Development of GIS Accident Location and Analysis Systems (GIS-ALAS), Phase I
Jun, 1997
Coordination of Data Elements from the ISTEA Management Systems: Phase I
Dec, 1996
GIS Technology Transfer of Transportation Modeling Environment to Local Agencies, Priority Technology Program of the FHWA
Jun, 1996
Development of Applications for Interactive Transportation Planning GIS
Sep, 1994
High-Speed Computing to Facilitate Real Time Analysis of Transportation Planning Alternatives
Dec, 1993
A GIS-Based Travel Demand Modeling System for Supercomputing
Dec, 1992
Needs Assessment: Traffic Data Storage, Processing, and Dissemination

Bob Steffes

PHONE

515-294-7323

About Bob

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