2023 InTrans Annual Report (5 MB)

The InTrans annual report for the 2023 calendar year highlights features on a variety of topics: center and program activities; major accomplishments; committee involvement; awards and honors; events; work by faculty, staff and students; and InTrans by the numbers.

2022 InTrans Annual Report (3 MB)

The InTrans annual report for the 2022 calendar year highlights features on a variety of topics: center and program activities; InTrans by the numbers; major accomplishments; awards and honors; committee involvement; events; and work by faculty, staff and students.

2021 InTrans Annual Report (8 MB)

The InTrans annual report for the 2021 calendar year highlights features on a variety of topics: center and program activities; InTrans by the numbers; major accomplishments; awards and honors; events; work by faculty, staff and students; and committee involvement.

2020 InTrans Annual Report (6 MB)

The InTrans annual report for the 2020 calendar year highlights features on a variety of topics: center and program activities; major accomplishments; events; work by faculty, staff and students; InTrans by the numbers; awards and honors; committee involvement; and stakeholders and IDIQs.

2019 InTrans Annual Report (1 MB)

The InTrans annual report for the 2019 calendar year highlights features on research projects and programs, events, staff and student awards, research reports and InTrans by the numbers.

2018 InTrans Annual Report (2 MB)

The InTrans annual report for the fiscal year of July 2017 to June 2018 highlights features on research projects and programs, events, staff and student awards, personnel announcements, research reports and InTrans by the numbers.

Iowa LTAP at 40 Years—Then and Now (9 MB)

Booklet commemorating Iowa LTAP's journey over the past 40 years, highlighting programs and resources, Technology News, throwback tech, staff, and stats.

CP Tech Center: An Investment Worth Making (2023) (3 MB)

Iowa LTAP at 40 Years—Then and Now (9 MB)

Booklet commemorating Iowa LTAP's journey over the past 40 years, highlighting programs and resources, Technology News, throwback tech, staff, and stats.

InTrans Brand Brochure (1 MB)

InTrans 30-Year Timeline Brochure (497 KB)

Performance History of Concrete Overlays in the United States (Optimized for fast web viewing–2023) (5 MB)

Technical summary for an FHWA-sponsored project that provides a brief history of concrete overlay construction in the United States and summarizes details of 17 concrete overlay projects across the country

Targeted Overlay Pavement Solutions (TOPS): Concrete Overlay Case Studies (2022)

A series of FHWA-sponsored case studies summarizing the design, construction, and performance of various types of concrete overlays

BIM for Infrastructure Case Studies (2020)

Three case studies for an FHWA-sponsored project that cover the overall Building Information Modeling (BIM) for Infrastructure approach in large-scale projects

Project Management Strategies for Complex Projects: Case Study Report

Summary of Accomplishments for FHWA Cooperative Agreement DTFH61-12-H-00010 “Technology Transfer of Concrete Pavement Technologies” (2018) (11 MB)

Highlights the publications (print and online), education, demonstration, and outreach conducted over the five-year period in which the project was dedicated to accelerated implementation and development of concrete pavement technologies.

The Design-Builder’s Guide to Design Management: A Playbook for the Industrial Sector

Charles Pankow Foundation-sponsored playbook intended to help owners, designers, and builders of design-build projects achieve greater success by understanding and fully leveraging the unique role of the design integration manager in the industrial sector

The Design-Builder’s Guide to Design Management: A Playbook for the Federal Sector

Charles Pankow Foundation-sponsored playbook intended to help owners, designers, and builders of design-build projects achieve greater success by understanding and fully leveraging the unique role of the design integration manager in the federal sector

Commentary on AASHTO R 101, Developing Performance Engineered Concrete Pavement Mixtures ((Optimized for fast web viewing–2024) (2 MB)

Manual that presents commentary explaining the context and rationale for the recommendations provided in AASHTO R 101

The Design-Builder’s Guide to Design Management: A Playbook for the Water/Wastewater Sector

Charles Pankow Foundation-sponsored playbook intended to help owners, designers, and builders of design-build projects achieve greater success by understanding and fully leveraging the unique role of the design integration manager in the water/wastewater sector

Unticketing Implementation Guide (712 KB)

Brief guide that offers advice for Iowa communities that wish to implement their own version of Unticketing Cerro Gordo, an IHRB-sponsored demonstration project that explored whether compliance with traffic laws can be improved by incentivizing safe driving behavior while leaving in place existing sanctions against unsafe driving behavior

The Design-Builder’s Guide to Design Management: A Playbook for the Aviation Sector

Charles Pankow Foundation-sponsored playbook intended to help owners, designers, and builders of design-build projects achieve greater success by understanding and fully leveraging the unique role of the design integration manager in the aviation sector

Guide for Reducing the Cradle-to-Gate Embodied Carbon Emissions of Paving Concrete (Interim Guide–2024) (7 MB)

FHWA-sponsored interim guide that offers several strategies for material selection and proportioning that transportation agencies, contractors, and concrete suppliers can use to reduce the cradle-to-gate embodied carbon emissions of paving concrete

The Design-Builder’s Guide to Design Management: A Playbook for the Highway Sector

Charles Pankow Foundation-sponsored playbook intended to help owners, designers, and builders of design-build projects achieve greater success by understanding and fully leveraging the unique role of the design integration manager in the highway sector

The Design-Builder’s Guide to Design Management

Charles Pankow Foundation-sponsored guide intended to help owners, designers, and builders of design-build projects achieve greater success by understanding and fully leveraging the unique role of the design integration manager

Helical Pile Foundation Guide for Bridge Structures (9 MB)

Guide that provides bridge engineers and designers with direction and specifications on helical pile foundation implementation for bridges

Pavement Structural Analysis Tool (PSAT) for Iowa Local Roads (3 MB)

User guide for an IHRB-sponsored project that describes a systematic procedure on how to use the Pavement Structural Analysis Tool (PSAT) that helps local agencies more effectively make decisions related to routine pavement analysis, design, and asset management practices and to support their communication related to pavement needs both with the public and with elected officials

Concrete Pavement Preservation Guide (3rd Edition–Optimized for fast web viewing–2022) (15 MB)

Third edition of a guide that provides guidance and information on the selection, design, and construction of cost-effective concrete pavement preservation treatments

Concrete Pavement Preservation Guide (3rd Edition–2022) (71 MB)

Third edition of a guide that provides guidance and information on the selection, design, and construction of cost-effective concrete pavement preservation treatments

Guide to Concrete Overlays of Asphalt Parking Lots (2nd Edition–Optimized for fast web viewing–2022) (6 MB)

Second edition of a guide that provides information for decision-makers and practitioners about selecting, designing, and constructing successful concrete overlays on existing asphalt parking lot pavements that serve public, commercial, or multifamily residential buildings

Quality Control for Concrete Paving: A Tool for Agency and Industry (2021) (21 MB)

Guide intended to serve as a tool that both contractors and agency personnel can use, and discusses common agency QC requirements, continuous improvement activities, and the benefits for contractors of good quality control

Quality Control for Concrete Paving: A Tool for Agency and Industry (Optimized for fast web viewing–2021) (5 MB)

Guide intended to serve as a tool that both contractors and agency personnel can use, and discusses common agency QC requirements, continuous improvement activities, and the benefits for contractors of good quality control

Guide to Concrete Overlays (4th Edition–2021) (44 MB)

Fourth edition of a guide that presents the basic principles that a pavement engineer needs to design and construct concrete overlays on existing asphalt, composite, and concrete pavements

Guide to Concrete Overlays (4th Edition–Optimized for fast web viewing–2021) (10 MB)

Fourth edition of a guide that presents the basic principles that a pavement engineer needs to design and construct concrete overlays on existing asphalt, composite, and concrete pavements

Iowa Pavement Analysis Techniques (IPAT) Tool (8 MB)

Guide to Lightweight Cellular Concrete for Geotechnical Applications (2021) (18 MB)

Guide from the Portland Cement Association and National Concrete Pavement Technology Center that provides information on the materials, properties, design, proper handling, and applications of lightweight cellular concrete (LCC) for geotechnical applications

Guide to Lightweight Cellular Concrete for Geotechnical Applications (Optimized for fast web viewing–2021) (3 MB)

Guide from the Portland Cement Association and National Concrete Pavement Technology Center that provides information on the materials, properties, design, proper handling, and applications of lightweight cellular concrete (LCC) for geotechnical applications

Guide to Cement-Stabilized Subgrade Soils (2020) (20 MB)

Guide from the Portland Cement Association and National Concrete Pavement Technology Center that describes the characteristics, uses, and benefits of cement-stabilized subgrades and presents methods for geotechnical evaluation, mix design, construction, and field testing

Guide to Cement-Stabilized Subgrade Soils (Optimized for fast web viewing–2020) (4 MB)

Guide from the Portland Cement Association and National Concrete Pavement Technology Center that describes the characteristics, uses, and benefits of cement-stabilized subgrades and presents methods for geotechnical evaluation, mix design, construction, and field testing

ConcreteWorks Software for Iowa Use Operator’s Manual (3 MB)

Annual Rock Requirement Estimate: Granular Roads Asset Management System (GRAMS) User Manual (950 KB)

Implementation of Best Practices for Concrete Pavements: Guidelines for Specifying and Achieving Smooth Concrete Pavements (2019) (4 MB)

Equipment Life-Cycle Cost Analysis Tool (E-L-T) for Iowa Counties (1 MB)

Guide to Concrete Trails (2019) (44 MB)

Ready Mixed Concrete (RMC) Research & Education Foundation-sponsored guide on the design, construction, and maintenance of concrete trails and paths

Guide to Concrete Trails (Optimized for fast web viewing–2019) (5 MB)

Ready Mixed Concrete (RMC) Research & Education Foundation-sponsored guide on the design, construction, and maintenance of concrete trails and paths

Integrated Materials and Construction Practices for Concrete Pavement: A State-of-the-Practice Manual (2nd edition IMCP Manual–2019) (52 MB)

Second edition of a manual that is intended as both a training tool and a reference to help concrete paving engineers, designers, quality control personnel, contractors, suppliers, technicians, and tradespeople bridge the gap between the most recent research and practice to optimize the performance of concrete for pavements.

Integrated Materials and Construction Practices for Concrete Pavement: A State-of-the-Practice Manual (2nd edition IMCP Manual–Optimized for fast web viewing–2019) (11 MB)

Second edition of a manual that is intended as both a training tool and a reference to help concrete paving engineers, designers, quality control personnel, contractors, suppliers, technicians, and tradespeople bridge the gap between the most recent research and practice to optimize the performance of concrete for pavements.

Stages of Hydration Chart from the 2019 IMCP Manual (Poster–2019) (8 MB)

Guide for Concrete Pavement Distress Assessments and Solutions: Identification, Causes, Prevention, and Repair (Distress Manual–2018) (28 MB)

Practical guide to concrete pavement assessments and distress solutions including pavement distress identification, causes, prevention, and repair

Guide for Concrete Pavement Distress Assessments and Solutions: Identification, Causes, Prevention, and Repair (Distress Manual–EPUB version–To view, appropriate e-book app must be installed on your viewing device–2018) (34 MB)

Practical guide to concrete pavement assessments and distress solutions including pavement distress identification, causes, prevention, and repair

Recycling Concrete Pavement Materials: A Practitioner’s Reference Guide (2018) (14 MB)

Guidebook for an FHWA Office of Pavement Technology-sponsored project that explored the possibilities, pitfalls, and practical considerations for the use of recycled concrete aggregate (RCA) in pavement construction to provide a more sustainable concrete pavement option for state and local agencies.

Guide for the Development of Concrete Overlay Construction Documents (2018) (10 MB)

Guide for an Office of Pavement Technology-sponsored guidebook that assists local and state concrete pavement managers in the development of a concrete overlay project by offering in-depth information on construction drawings, specifications, costs, and design challenges to consider during the process.

Performance Assessment of Nonwoven Geotextile Materials Used as the Separation Layer for Unbonded Concrete Overlays of Existing Concrete Pavements in the US (Guide–2018) (18 MB)

Final guide for nonwoven geotextile fabric used as a separation layer to prevent cracks and other distresses in the underlying pavement from compromising the performance of a new unbonded jointed concrete overlay over existing jointed and continuously reinforced concrete pavements

Guide to Full-Depth Reclamation (FDR) with Cement (2017, reprinted 2019) (22 MB)

Guide to the Prevention and Restoration of Early Joint Deterioration in Concrete Pavements (2016) (2 MB)

Temporary Traffic Control Handbook for Local Agencies (2016) (5 MB)

Cost-Effective Timber Bridge Repairs: Manual for Repairs of Timber Bridges in Minnesota (5 MB)

Pavement Treatment Selection Tool (PTST) for Local Agencies (1 MB)

Implementation Manual: 3D Engineered Models for Highway Construction—The Iowa Experience (2015–Manual) (23 MB)

SUDAS Design Manual

Guide to Project Management Strategies for Complex Projects

Guidance for Improving Foundation Layers to Increase Pavement Performance on Local Roads (Guide–2014) (3 MB)

Preservation and Rehabilitation of Urban Concrete Pavements Using Concrete Overlays: Solutions for Joint Deterioration in Cold Weather States (Guide–2014) (18 MB)

40-page guide to provide a resource for pavement owners, designers, and contractors to design and construct successful thin concrete overlays as a longer-term preservation solution for concrete pavements with prematurely deteriorating joints

The Use of Ternary Mixtures in Concrete (Manual–2014) (2 MB)

Guia para Capas de Refuerzo con Hormigon: Soluciones Sustentables para Capas de Refuerzo y Rehabilitacion de Pavimentos Existentes (Tercera Edicion–Spanish version of the Guide to Concrete Overlays, 3rd Edition–2014) (19 MB)

Guide for Optimum Joint Performance of Concrete Pavements (Optimized for fast web viewing–2012) (2 MB)

Interim Guide for Optimum Joint Performance of Concrete Pavements (2012) (10 MB)

Weather Index User’s Guide (379 KB)

Sustainable Concrete Pavements: A Manual of Practice (2012) (22 MB)

Guide to the Design of Concrete Overlays Using Existing Methodologies (2012) (10 MB)

How to Reduce Tire-Pavement Noise: Better Practices for Constructing and Texturing Concrete Pavement Surfaces (2012) (13 MB)

Field Reference Manual for Quality Concrete Pavements (2012) (11 MB)

Traffic Safety Analysis for Local Agencies (6 MB)

Guide for Partial-Depth Repair of Concrete Pavements (2012) (5 MB)

34-page guide to help practitioners understand how to select, design, and construct successful partial-depth repairs of concrete pavements

Guide to Cement-Based Integrated Pavement Solutions (2011) (9 MB)

Guide to Dowel Load Transfer Systems for Jointed Concrete Roadway Pavements (2011) (3 MB)

Guide for Roller-Compacted Concrete Pavements (2010)

Access Management Guidebook for Major Arterial Intersections (7 MB)

Planning-Level Guidelines for Modern Roundabouts (4 MB)

Testing Guide for Implementing Concrete Paving Quality Control Procedures (2008) (6 MB)

Concrete Pavement Preservation Workshop Reference Manual (2008) (7 MB)

Thin Maintenance Surfaces Handbook (2007) (7 MB)

Local Roads Maintenance Workers’ Manual (20 MB)

Iowa Drainage Law Manual (3 MB)

Low Water Stream Crossings in Iowa: A Selection and Design Guide (459 KB)

Emergency Response Information System (ERIS) (2 MB)

Iowa Traffic Control Devices and Pavement Markings: A Manual for Cities and Counties (7 MB)

Infrastructure Management Information System User Manual (1 MB)

Project Selection Guidance for Cold In-Place Recycled Pavements (207 KB)

Guidance document for an IHRB-sponsored research project that provides guidance on considering project for possible CIR use in Iowa, based on research and typical practices in the state and also national and international research

Pavement Preservation Checklist Series (2019)

23-booklet checklist series; nos. 17 through 23 cover concrete pavement preservation strategies

Real-Time Smoothness Quick Reference Index (2018) (66 KB)

As a companion to the real-time smoothness pocket reference guide, an index was developed and designed to be printed as a magnet that could be affixed to the frame of a slipform paver.

Real-Time Smoothness Pocket Reference (2018) (3 MB)

A pocket reference guide was developed to deliver key information in the field about real-time smoothness installation, daily startup and shutdown, and recommendations for maximizing the benefits of the technology.

Go! Magazine

Understanding Environmental Product Declarations (EPDs) (MAP brief—Fall 2024) (619 KB)

MAP brief that focuses on the development and use of EPDs for concrete mixtures

Sustainable Pavements: CRCP Across Texas (MAP brief—Summer 2024) (3 MB)

MAP brief that delves into the successful deployment of CRCP throughout Texas, highlighting the design principles and construction practices used to build these pavements and the substantial benefits they offer in terms of durability and sustainability

Use of Industrial Byproducts in Concrete Paving Applications (Technical Summary–2024)

FHWA-sponsored technical summary that discusses the use of industrial wastes in concrete paving applications, identifies potential applications for using these wastes in highway infrastructure, and presents approaches and considerations for agency approval of these products

What Can Be Done to Reduce the Embodied Carbon Emissions of Concrete? (MAP brief—Spring 2024) (490 KB)

MAP brief that summarizes the key information in the CP Tech Center-published Guide for Reducing the Cradle-to-Gate Embodied Carbon Emissions of Paving Concrete

Toward Performance-Engineered Curing (MAP brief—Winter 2024) (2 MB)

MAP brief that reviews the current state of membrane-forming curing compounds for concrete pavement, provides recommendations for improving curing, and discusses emerging technologies to allow performance-engineered curing

PEM Evolution: Then and Now (MAP brief—Fall 2023) (3 MB)

MAP brief that provides the background of PEM; outlines the accomplishments, key findings, and implementation of TPF-5(368); and provides a look at what is current with PEM regarding construction practices

Optimizing Concrete Pavement Opening to Traffic (Technical Summary–2023) (3 MB)

Technical summary that reviews the science and strategy behind current practices related to the decision to open new pavement surfaces to traffic and how opening to traffic can be accelerated when necessary

Revisiting Concrete Scaling (MAP brief—Summer 2023) (6 MB)

MAP brief that discusses surface distress and provides actions to help reduce the risk of it

Performance History of Concrete Overlays in the United States (Optimized for fast web viewing–2023) (5 MB)

Technical summary for an FHWA-sponsored project that provides a brief history of concrete overlay construction in the United States and summarizes details of 17 concrete overlay projects across the country

Climate Change, Resilience, and Concrete Pavements (MAP brief—Spring 2023) (2 MB)

MAP brief that outlines the impacts of climate change and extreme weather events on the nation’s pavement system, while emphasizing pavement adaptation for improved resilience

Concrete Overlays (MAP brief—Winter 2023) (2 MB)

MAP brief that provides a brief background, technical resources, and key benefits of concrete overlays for use as a long-life preservation treatment for aging roadway facilities

Use of Recycled Concrete Aggregate in Concrete Paving Mixtures (2022)

FHWA-sponsored tech brief on the use of recycled concrete aggregate (RCA) in concrete pavement mixtures including impacts of RCA on concrete properties and durability performance, current procedures for proportioning mixtures, findings of recent research studies, and case studies

Mechanistic-Empirical Design Methods for Concrete Pavement Solutions (2022) (300 KB)

Concrete Overlays—The Value Proposition (2021) (10 MB)

Technical summary for an FHWA-sponsored project that summarizes the value proposition that concrete overlays offer to agencies and provides advice for agencies seeking to introduce concrete overlays into their preservation and rehabilitation strategies.

Concrete Overlays—The Value Proposition (Optimized for fast web viewing–2021) (3 MB)

Technical summary for an FHWA-sponsored project that summarizes the value proposition that concrete overlays offer to agencies and provides advice for agencies seeking to introduce concrete overlays into their preservation and rehabilitation strategies.

Concrete Overlays—A Proven Technology (2021) (30 MB)

Technical summary for an FHWA-sponsored project that introduces concrete overlay selection, design, and construction practices to those who may not be familiar with this rehabilitation option

Concrete Overlays—A Proven Technology (Optimized for fast web viewing–2021) (9 MB)

Technical summary for an FHWA-sponsored project that introduces concrete overlay selection, design, and construction practices to those who may not be familiar with this rehabilitation option

Improving the Foundation Layers for Concrete Pavements: Lessons Learned and a New Framework for Mechanistic Assessment (2021) (2 MB)

Use of Harvested Fly Ash in Highway Infrastructure (2020, updated 2021) (1 MB)

Technical brief for an FHWA-sponsored project that describes the characteristics of harvested coal fly ash and identifies considerations for its use in highway infrastructure

Overview of Stringless Paving (2021) (3 MB)

Overview of Alkali-Silica Reactivity (ASR) in Concrete Pavements (2020) (1 MB)

BIM for Infrastructure Tech Briefs (2020)

Three tech briefs for an FHWA-sponsored project that explore aspects and positive impacts of incorporating Building Information Modeling (BIM) into infrastructure projects

Overview of Cement-Stabilized Subgrade Soils (2020) (3 MB)

Pavement Preservation Peer-to-Peer Exchange Tech Briefs (2020)

10 technical briefs for an FHWA-sponsored project that summarized the results of an EDC-4 “How” Pavement Preservation State Peer-to-Peer Exchange amongst DOT representatives from 37 states

Development of an Improved Design Procedure for Jointed Unbonded Concrete Overlays on Concrete or Composite Pavements (2020) (413 KB)

Extended-Life Concrete Bridge Decks Utilizing Internal Curing to Reduce Cracking–Results from Ohio DOT Field Trial (2020) (1 MB)

Development and Deployment of the Next Generation Concrete Surface (2020) (2 MB)

Overview of the Guide for Concrete Pavement Distress Assessments and Solutions (2019) (2 MB)

Overview of Fiber-Reinforced Concrete Bridge Decks (2019) (2 MB)

Tech brief for TTCC transportation pooled fund sponsored work that explored reductions in bridge deck cracking by using macrofibers in concrete bridge deck overlays

Fiber-Reinforced Concrete (FRC) for Pavement Overlays (2019) (1 MB)

Tech brief for TTCC transportation pooled fund sponsored work that provides pavement engineers with the information necessary to use FRC for concrete overlays, including how to determine the appropriate fiber reinforcement performance values to specify and implement in the structural design calculations for bonded and unbonded concrete overlay projects

Concrete Pavement Recycling Series: Concrete Pavement Recycling and the Use of Recycled Concrete Aggregate (RCA) in Concrete Paving Mixtures (2018) (3 MB)

Introductory technical brief that provides an overview of the uses of recycled concrete aggregate (RCA) in a variety of pavement applications, offers guidance on RCA properties, summarizes past uses of RCA under various conditions, and makes recommendations for practitioners on production, concrete pavement mixtures, and structural design using RCA.

Concrete Pavement Recycling Series: Using Recycled Concrete Aggregate (RCA) in Unbound Aggregate Shoulders (2018) (1 MB)

A Technical Brief in the Concrete Pavement Recycling Series that describes qualification requirements, design techniques, and construction considerations for the unbound recycled concrete aggregate (RCA) shouldering materials that are being used more frequently by some states for the economic and environmental benefits.

Concrete Overlay Performance on Iowa’s Roadways (2018) (1 MB)

Concrete Pavement Recycling Series: Protecting the Environment during Construction (2018) (4 MB)

Technical brief that provides a summary of the potential environmental impacts of concrete pavement recycling that can occur during construction, including those associated with water quality, air quality, local effects, and waste generation, along with a summary of planning, layout, and construction controls

Concrete Pavement Recycling Series: Protecting Water Quality through Panning and Design Considerations (2018) (620 KB)

Technical brief that provides a summary of the potential water quality impacts of concrete pavement recycling, along with a summary of mitigation strategies that can be addressed during project planning and design

Safety Evaluation of Destination Lighting at Stop-Controlled Cross Intersections (424 KB)

Crash Modification Factors for Chevrons in Iowa (732 KB)

Safety Edge Crash Modification Factors (1 MB)

Developing a Quality Assurance Program for Implementing Performance Engineered Mixtures for Concrete Pavements (2017) (1 MB)

Concrete Pavement Recycling Series: Quantifying the Sustainability Benefits of Concrete Pavement Recycling (2016) (2 MB)

Intelligent Compaction Brief: Missouri US Highway 63—HMA Paving—July 2014 (237 KB)

Intelligent Compaction Brief: Iowa US Highway 65—Embankment—July 2013 (3 MB)

Intelligent Compaction Brief: Minnesota TH 36—Granular Embankment Subgrade Fill—May–July 2007 (863 KB)

Best Practices for Jointed Concrete Pavements: Dowel Basket Anchoring Methods (2016)

Best Practices for Concrete Pavements: Effective Quality Assurance for Concrete Paving Operations (2016)

Best Practices for Concrete Pavements: Supplementary Cementitious Materials (2016)

Permeability and Lateral Load of Granular Backfill Behind Abutments (256 KB)

Best Practices for Jointed Concrete Pavements: Blended Aggregates for Concrete Mixture Optimization (2015)

Best Practices for Jointed Concrete Pavements: Materials-Related Distress—Hardened Cement Paste (2015)

Best Practices for Jointed Concrete Pavements: Materials-Related Distress—Aggregates (2015)

Paved Shoulders (180 KB)

On-Pavement Signing (573 KB)

Dynamic Speed Feedback Signs (704 KB)

Chevrons and Oversized Chevrons (221 KB)

Vertical Delineation (715 KB)

Intersection Lighting (120 KB)

Advance Stop Line Rumble Strips (135 KB)

Adding Turn Lanes/Channelization (261 KB)

Flashing Beacons (175 KB)

Intelligent Compaction Brief: Minnesota TH 60—Non-Granular Embankment Subgrade Fill—August-October 2007 (4 MB)

Intelligent Compaction Brief: Indiana SR 25—Granular and Non-Granular Embankment Subgrade Fill—August 2010 (2 MB)

Intelligent Compaction Brief: Florida SR 9B—Granular Layered Embankment and Geosynthetic Reinforcement—May 2011 (6 MB)

Mixture Design and Proportioning for Concrete Pavements (2014) (1 MB)

High-Energy Impact Roller Compaction (731 KB)

Overview of Foundation Stabilization Technologies (5 MB)

Roller-Integrated Compaction Monitoring of Subbase (4 MB)

Stiffness-Based QC/QA Testing (2 MB)

Subgrade Stabilization Using Geosynthetics (3 MB)

On-Site Reclaimed Material as Subbase Layer (2 MB)

Mechanical Stabilization of Subgrade Layer (3 MB)

Geocell Reinforcement of Subbase (2 MB)

Fly Ash Stabilization of Subgrade (3 MB)

Cement Stabilization with Fiber Reinforcement of Subbase (3 MB)

Cement Stabilization of Subbase and Subgrade (3 MB)

Intelligent Compaction Brief: Maryland I-70—Layered Granular Fill and Silty Subgrade—October 2007 (3 MB)

Supplementary Cementitious Materials and Blended Cements to Improve Sustainability of Concrete Pavements (2013) (494 KB)

Dynamic Speed Feedback Signs for Rural Traffic Calming (1 MB)

Colored Entrance Treatments for Rural Traffic Calming (1 MB)

Center Islands with Raised Curbing for Rural Traffic Calming (803 KB)

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: Missouri DOT’s Project Involvement (347 KB)

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: Minnesota DOT’s Project Involvement (343 KB)

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: Wisconsin DOT’s Project Involvement (338 KB)

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: Iowa DOT’s Project Involvement (322 KB)

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: Indiana DOT’s Project Involvement (327 KB)

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: Illinois DOT’s Project Involvement (349 KB)

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt (441 KB)

Intelligent Compaction Brief: Missouri Hwy 141—Embankment, Box Culvert, and MSE Wall Fill—August 2010 (2 MB)

Intelligent Compaction Brief: New York US 219—Granular Embankment Subgrade and Subbase—May 2009 (2 MB)

Intelligent Compaction Brief: Kansas US 69—Cohesive Subgrade Materials—August 2008 (4 MB)

Recommendations for Achieving Safety Edge Consistency during Paving (2 MB)

Intelligent Compaction Brief: Boone County Research Test Sections—Stabilized Pavement Foundations—Summer 2012 (8 MB)

Assessing the Costs for Hybrid versus Regular Transit Buses (1 MB)

Intelligent Compaction Brief: Mississippi US 84—Untreated and Cement Treated Granular Materials—July 2009 (1 MB)

Intelligent Compaction Brief: Minnesota TH 64—Unbound Materials—Summer 2006 (2 MB)

Intelligent Compaction Brief: Minnesota TH 14—Unbound Materials—Fall 2005 (778 KB)

Intelligent Compaction Brief: Minnesota Route 4—HMA Overlay—June 2008 (1 MB)

Intelligent Compaction Brief: Iowa US 30—Hot-Mix Asphalt Overlay—July 2010 (2 MB)

Intelligent Compaction Brief: Iowa US 30—Cohesive Embankment—July 2009 (3 MB)

Intelligent Compaction Brief: Iowa US 218—HMA Resurfacing—Aug–Sept 2009 (2 MB)

Intelligent Compaction Brief: Texas FM156—Untreated and Lime Treated Cohesive Materials and Granular Base Materials—July 2008 (2 MB)

Intelligent Compaction Brief: Iowa I-29—Pavement Foundation Layer Construction—Summer 2009 (11 MB)

Intelligent Compaction Brief: North Dakota US 12—Embankment Subgrade and Geogrid Stabilized Base Materials—August 2010 (3 MB)

Evaluation of Electronic Speed Limit Signs on US 30 (2 MB)

Variability and Visualization of Tire-Pavement Noise Measurements (442 KB)

Concrete Pavement Specifications for Reducing Tire-Pavement Noise (2 MB)

Measuring And Reporting Tire-Pavement Noise Using On-Board Sound Intensity (OBSI) (4 MB)

Evaluation of Safety Edge Benefits in Iowa (5 MB)

Measuring and Analyzing Pavement Texture (1 MB)

Evaluating Benefits and Limitations of Intelligent Compaction (219 KB)

What Makes a Quieter Concrete Pavement? (5 MB)

The Language of Noise and Quieter Pavements (2010) (3 MB)

Two-Lift Concrete Paving (2010) (595 KB)

Improving Joint Durability in Concrete Pavements: A Summary of Current Knowledge (330 KB)

Concrete Solutions for Quieter Pavements on Existing Roadways (2006) (547 KB)

LTAP Resource Biweekly

CP Tech Center RESOURCES Newsletter

NC² E-News

InTrans En Route

Technology News

BIM for Infrastructure Presentations (2020)

Four presentations for an FHWA-sponsored project that explore the concepts of Building Information Modeling (BIM) for Infrastructure and analyze various example projects

Supplementary Cementitious Materials Best Practices Workshop (4 MB)

Quality Assurance Best Practices Workshop (2 MB)

Optimized Gradation for Concrete Paving Mixtures Best Practices Workshop (7 MB)

Materials-Related Distress Best Practices Workshop (5 MB)

Dowel Basket Anchoring Methods Best Practices Workshop (12 MB)

Nanotechnology for Cement and Concrete Workshop (Summary & Slides–2007) (4 MB)

2022 Mid-Continent Transportation Research Symposium Compendium

2019 Mid-Continent Transportation Research Symposium Compendium

2017 Mid-Continent Transportation Research Symposium Compendium

2015 Mid-Continent Transportation Research Symposium Compendium (39 MB)

Proceedings of the 2015 Conference on Autonomous and Robotic Construction of Infrastructure (6 MB)

2013 Mid-Continent Transportation Research Symposium Compendium (6 MB)

2011 Mid-Continent Transportation Research Symposium Compendium (5 MB)

Proceedings of the 2009 Mid-Continent Transportation Symposium (23 MB)

Proceedings of the 2007 Mid-Continent Transportation Symposium (20 MB)

Proceedings of the 2005 Mid-Continent Transportation Symposium (25 MB)

Proceedings of the International Workshop on Sustainable Development and Concrete Technology (2004) (11 MB)

Proceedings of the 2003 Mid-Continent Transportation Symposium (20 MB)

Proceedings of the 2000 Mid-Continent Transportation Symposium (10 MB)

Crossroads 2000 Proceedings (5 MB)

Pavement Preservation Checklist Series (2019)

23-booklet checklist series; nos. 17 through 23 cover concrete pavement preservation strategies

Concrete Pavement Preservation Module 5. Full-Depth Repairs

Concrete Pavement Preservation Module 6. Retrofitted Edge Drains

Concrete Pavement Preservation Module 7. Load Transfer Restoration

Concrete Pavement Preservation Module 8. Diamond Grinding and Grooving

Concrete Pavement Preservation Module 9. Joint Sealing and Crack Resealing

Concrete Pavement Preservation Module 10. Strategy Selection

Concrete Pavement Preservation Module 1. Preventative Maintenance and Pavement Preservation Concepts

Concrete Pavement Preservation Module 2. Concrete Pavement Evaluation

Concrete Pavement Preservation Module 3. Slab Stabilization and Slab Jacking

Concrete Pavement Preservation Module 4. Partial-Depth Repairs

IMCP Module 1. Design of Concrete Pavements

IMCP Module 2. Fundamentals of Materials Used for Concrete Pavements

IMCP Module 3. Basics of Cement Hydration

IMCP Module 4. Incompatibility in Concrete Pavement Systems

IMCP Module 5. Mix Design Principles

IMCP Module 6. Fresh Concrete Properties

IMCP Module 7. Hardened Concrete Properties and Durability

IMCP Module 8. Early-Age Cracking

IMCP Module 9. Construction of Concrete Pavements

IMCP Module 10. QC/QA for Concrete Pavements

IMCP Module 11. Troubleshooting for Concrete Pavements

Publications from Material and Construction Optimization Project

Guia para Capas de Refuerzo con Hormigon: Soluciones Sustentables para Capas de Refuerzo y Rehabilitacion de Pavimentos Existentes (Tercera Edicion–Spanish version of the Guide to Concrete Overlays, 3rd Edition–2014) (19 MB)

English-Spanish Pocket Dictionary of Construction and Safety Terms (2006) (3 MB)

Spanish as a Second Language Survival Course and Concrete Pavement Basics Course (2005) (21 MB)

Roadway Cross Section Reconfiguration: Question 14 (297 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 13 (215 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 12 (724 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 11 (2 MB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 10 (340 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 9 (365 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 8 (218 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 7 (617 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 6 (301 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 5 (380 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 4 (394 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 3 (275 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 2 (62 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 1 (366 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Summary: Guide for Reducing the Cradle-to-Gate Embodied Carbon Emissions of Paving Concrete (2024) (2 MB)

CP Tech Center Publication Snapshot (2024) (3 MB)

Publication overview for the National Concrete Pavement Technology Center

About InTrans Flyer (183 KB)

CP Tech Center: Making a Difference Flyer (2022) (888 KB)

Brand overview for the National Concrete Pavement Technology Center

Iowa SUDAS Overview Flyer (610 KB)

Iowa LTAP Overview Flyer (3 MB)

Iowa Public Works Service Bureau Overview Flyer (3 MB)

Targeted Overlay Pavement Solutions (TOPS): Concrete Overlay One-Page Summaries (2020)

FHWA-sponsored one-page documents summarizing examples of concrete on asphalt–unbonded, concrete on composite–unbonded, concrete on concrete–unbonded, concrete on asphalt–bonded, concrete on composite–bonded, and concrete on concrete–bonded overlay pavement solutions

PEM Test for Transport: Resistivity (2020) (1 MB)

Overview sheet outlining the resistivity test used under the Performance Engineered Mixtures (PEM) program to determine the movement of moisture (transport)

PEM Test for Cold Weather (Freeze-Thaw Durability): Super Air Meter (SAM) Test (2020) (1 MB)

Overview sheet outlining the super air meter (SAM) used under the Performance Engineered Mixtures (PEM) program to determine freeze-thaw durability of concrete

PEM Test for Workability: The Box Test (2020) (2 MB)

Overview sheet outlining the Box Test used under the Performance Engineered Mixtures (PEM) program to determine workability

PEM Test for Workability: The VKelly Test (2020) (2 MB)

Overview sheet outlining the Vibrating Kelly Ball (VKelly) test used under the Performance Engineered Mixtures (PEM) program to determine workability

BIM for Infrastructure Flyers (2020)

Six flyers for an FHWA-sponsored project that summarize key aspects of Building Information Modeling (BIM) for Infrastructure

SUDAS Standard Specifications

Guide Specifications for Concrete Overlays (Updated 2016) (984 KB)

Concrete Pavement Surface Characteristics: Key Findings and Guide Specifications (2012) (2 MB)

Texturing Concrete Pavement for Reduced Tire/Pavement Noise Using Longitudinal Tining (2011) (63 KB)

Texturing Concrete Pavement for Reduced Tire/Pavement Noise Using Diamond Grinding (2011) (68 KB)

Texturing Concrete Pavement for Reduced Tire/Pavement Noise Using Artificial Turf Drag (2011) (61 KB)

Texturing Concrete Pavement for Reduced Tire/Pavement Noise Using Transverse Tining (2011) (64 KB)

Accepting New Concrete Pavement Surfaces for Tire/Pavement Noise (2011) (93 KB)

Worksheet Example for Maturity Curve Development as described in AASHTO T413 (45 KB)

Iowa Pavement Structural Analysis Tool (PSAT) (Version 1.0—Windows) (9 MB)

Iowa Pavement Structural Analysis Tool (PSAT) (Version 1.0—Mac) (9 MB)

Synthesis on Maintaining PCC Pavement Smoothness State Specification Table (26 KB)

Rapid Setting Repair Materials Listing and Links (24 KB)

Iowa Pavement Analysis Techniques (IPAT) Tool (13 MB)

Gradation Optimization Spreadsheet (48 KB)

Granular Roads Asset Management System (GRAMS) Tool (243 KB)

Equipment Life-Cycle Cost Analysis Tool (E-L-T) for Iowa Counties (29 MB)

Concrete Mixture Proportioning Worksheet (Spreadsheet Tool–2021) (353 KB)

Work Zone Safety Assessment Tool (3 MB)

PEM Test for Workability: Vibrating Kelly Ball (VKelly) (Data Calculation Template–2018) (296 KB)

Work Zone Safety Assessment Tool (3 MB)

Iowa DOT Bridge Design Effort Estimator: Case Retrieval (152 KB)

Pavement Drainage Estimator V1.0 (213 KB)

Summary Report for the 2013–2019 MTC UTC Grant (3 MB)

MTC report highlighting major accomplishments of the six-year University Transportation Center grant, from Sept. 30, 2013–Sept. 30, 2019.

Summary Report for the 2013–2018 Technology Transfer of Concrete Pavement Technologies Project (8 MB)

Final summary report for the activities of a five-year FHWA-sponsored cooperative agreement project (DTFH61-12-H-00010), Technology Transfer of Concrete Pavement Technologies, that transferred the latest concrete pavement innovations, knowledge, and technologies to state highway agencies and industry through a variety of electronic, print, and face-to-face communication methods, with a multi-prong focus on advancing concrete sustainability, preservation and maintenance, longer life pavements, materials innovations, and advances in placement. This final summary report also includes the following final task reports as appendices: Recycled Concrete Pavement Materials, Concrete Pavement Preservation, Concrete Overlay Field Application, Performance Engineered Mixtures, and Long-Life Pavements and New Technologies.

Summary Report for the 2011–2017 Technology Transfer, Delivery, and Implementation of Best Practices for Jointed Concrete Pavements Project

Summary Report for the 2016 National Real-Time Smoothness (RTS) Showcase (3 MB)

Summary Report for the 2010 Webinar Workshop on Intelligent Compaction for Earthworks and HMA (10 MB)

Summary Report for the 2009 Workshop on Intelligent Construction for Earthworks (11 MB)

Summary Report for the 2008 Workshop on Intelligent Compaction for Soils and HMA (11 MB)

Integration of Connected Vehicle and RWIS Technologies (2 MB)

White paper for an Aurora-sponsored research project that investigated challenges related to the integration of connected vehicles and road weather information systems

Weather Severity Indices – Key Issues and Potential Paths Forward (754 KB)