InTrans 30-Year Timeline Brochure (497 KB)

Project Management Strategies for Complex Projects: Case Study Report

Economics of Upgrading an Aggregate Road (13 KB)

MCT 2005 paper: Lateral load tests on small diameter piles for slope remediation (497 KB)

Planning the Mississippi River Trail in Iowa Using Geographic Information Systems (477 KB)

Process to Identify High Priority Corridors for Access Management Near Large Urban Areas in Iowa Using Spatial Data (1 MB)

A Dynamically Configurable Network-Scanning Tool for the Spatial Cluster Analysis of Linear Network Feature Corridors (269 KB)

A Business Case for Winter Maintenance Technology Applications: Highway Maintenance Concept Vehicle (654 KB)

Bridge Load Rating Using Physical Testing (521 KB)

Strengthening of Steel Girder Bridges Using FRP (1 MB)

Synthesis of Best Practice for Increasing Protection and Visibility of Highway Maintenance Vehicles (323 KB)

Long-Term Plan for Concrete Pavement Research and Technology (301 KB)

Iowa’s Statewide Urban Design Standards Promote Improved Access Management (442 KB)

Use of LIDAR-Based Elevation Data for Highway Drainage Analysis: A Qualitative Assessment (2 MB)

Deploying the Winter Maintenance Support System (MDSS) in Iowa (1 MB)

GASB Statement 34—the On-Ramp to Transportation Asset Management or a Detour Leading to Business as Usual? (530 KB)

Integrating Maintenance Activities into Pavement Management Systems (369 KB)

Evaluation of Work Zone Speed Reduction Measures (2 MB)

Before and After Analysis of Two-Way Left-Turn Lane and Driveway Consolidation Access Management Project Along South Duff Ave. in Ames, Iowa, Completed Fall 1994 (2 MB)

Identification of Access Management Problem Corridors with Missouri DOT Crash Data and USGS Land Cover Data Overlay (4 MB)

GIS Crash and AADT Data Overlayed on Aerial Photography (1,020 KB)

Comprehensive Access Management Plan Development (4 MB)

HWYNEEDS: A Sensitivity Analysis (59 KB)

The Impact of Access Management on Business Vitality Along Corridors (714 KB)

The Benefits and Impacts of Roadway Access Management (2 MB)

Making the Connection Between Value Engineering and Access Management (20 KB)

Use of Geographic Information Systems to Explore and Communicate Transportation and Land Use Relationships in Iowa (1 MB)

Development of an Automated Crash-Location System for Iowa (495 KB)

HMA Volumetrics Revisited—A New Paradigm (162 KB)

Iowa Pavement Management Program Database: Integration and Delivery (81 KB)

The Difficult Nature of Minimum VMA: A Historical Perspective (154 KB)

A Brief Overview of the States Successful Practices Weigh-in-Motion Handbook (54 KB)

A Summary of the Economic Analysis Concerning the Application of Intelligent Transportation Systems/Commercial Vehicle Operations (ITS/CVO) to the Mid-Continent Corridor (50 KB)

Using NDT to Reduce Traffic Delays in Concrete Paving (22 KB)

Use of Secondary Data Sources to Determine the Business Vitality Impacts of Access Management Projects in Iowa (88 KB)

The Importance of Measuring Fuel Consumption in Evaluating Electronic Clearance (30 KB)

SUPERPAVE Compaction (75 KB)

Simulating Traffic for Incident Management and ITS Investment Decisions (114 KB)

Review of Cold In-Place Asphalt Recycling in Iowa (62 KB)

Retrofit Solution for Out-of-Plane Distortion of X-Type Diaphragm Bridges (101 KB)

Quick-Response Bypass Forecasting for Small Urban Communities Using an Economic Gravity Model for External Trip Analysis (65 KB)

A Methodology for Studying Crash Dependence on Demographic and Socioeconomic Data (175 KB)

A New Paradigm for Winter Maintenance Decisions (65 KB)

Weigh Stations’ Capacity Enhancement Alternatives: A Comparison of Mainline Electronic Screening and Physical Expansion (73 KB)

An Assessment of Emergency Response Vehicle Pre-Deployment Using GIS Identification of High-Accident Density Locations (159 KB)

Modal Testing for Nondestructive Evaluation of Bridges: Issues (154 KB)

Bridging the Gap Between Access Management Ideals and Land Use Planning Practice: Suggested Policies and Potential Benefits (50 KB)

Collision Diagram Software Compatability with Iowa Accident Database (124 KB)

Iowa Thickness Design Guide for Low Volume Roads Using Reclaimed Hydrated Class C Fly Ash Bases (114 KB)

Economic Evaluation of Advanced Winter Highway Maintenance Strategies (46 KB)

Effects of Damage on the Behavior of Pretensioned/Prestressed Concrete Beam (PPCB) Bridges (273 KB)

Evaluation of Bonding Between Ultra-Thin Portland Cement Concrete and Asphaltic Concrete (81 KB)

Evaluation of Mix Time on Concrete Consistency and Consolidation (109 KB)

Iowa Department of Transportation Statewide Coordinated GIS (91 KB)

From Concept to Reality: Advanced Technology and the Highway Maintenance Vehicle (154 KB)

Simulation Modeling of Electronic Screening at Weigh Stations (113 KB)

Strategic Plan for Improved Concrete Pavement Surface Characteristics (2006) (1 MB)

Paved Shoulders on Primary Highways in Iowa: An Analysis of Shoulder Surfacing Criteria, Costs, and Benefits (58 KB)

Interstate Cooperation for Implementation of ITS in Commercial Vehicle Operations: Institutional Opportunities and Barriers (3 MB)

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

Traffic Safety Analysis for Local Agencies (6 MB)

Planning-Level Guidelines for Modern Roundabouts (4 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)

Applications for Interactive Transportation Planning GIS (TPGIS) (646 KB)

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)

Paved Shoulders (180 KB)

On-Pavement Signing (573 KB)

Intersection Lighting (120 KB)

Flashing Beacons (175 KB)

Dynamic Speed Feedback Signs (704 KB)

Chevrons and Oversized Chevrons (221 KB)

Advance Stop Line Rumble Strips (135 KB)

Adding Turn Lanes/Channelization (261 KB)

Vertical Delineation (715 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)

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

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

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

Evaluation of Safety Edge Benefits in Iowa (5 MB)

Pavement Edge Drop-Off (Technology News excerpt, Sep-Oct 2006) (201 KB)

Keeping up with Iowa’s Pavement Management System (168 KB)

CTRE En Route: Winter 2004—A SUDAS primer (92 KB)

CTRE Director’s Message: Developing the Work Force (89 KB)

CTRE Director’s Message: Statewide Specifications (446 KB)

CTRE En Route: Summer 2003—Bridge Engineering Center (118 KB)

CTRE En Route: Summer 2002—Helping Other States Locate Crashes (85 KB)

CTRE En Route—National award for research (131 KB)

Improving Communications Between U.S. Transportation Agencies and Tribal Governments (33 KB)

When are three lanes better than four? (CTRE En Route, August 2001) (14 KB)

Tools developed to identify potential high crash locations (CTRE En Route, August 2001) (71 KB)

Integrating Spatial and Linear Referencing Data for DOTs (48 KB)

Update on Iowa urban standards (CTRE En Route, August 2001) (16 KB)

Roadway safety projects in Iowa are effective (16 KB)

Measuring friction on icy, snowy roadways (132 KB)

Fly Ash: The”Poor Man’s Portland Cement” (141 KB)

Evaluating Smart Work Zone Technologies (98 KB)

Evaluating Electronic Screening at Weigh Stations (90 KB)

Stopping fatigue cracking in steel bridge components (104 KB)

Managing Roadway Access (74 KB)

Deploying ITS in Des Moines (216 KB)

Decision Matrix for Thin Maintenance Surfaces (33 KB)

Mapping Highway Crashes (163 KB)

Transportation Planning and GIS (CTRE En Route, August 1997) (145 KB)

Snow Plowing Goes High Tech (CTRE En Route, Aug 1997) (171 KB)

Statewide Pavement Management: Coordinating the Data (67 KB)

AMASCOT: Reducing the Paper Load for Motor Carriers and States (78 KB)

Iowa DOT Data Management Plans (3 MB)

Future Strategic Highway Research Program (F-SHRP): Background and Status Report (3 MB)

Where Have We Been, How Do We Get to the Next Level, and Making Asset Management a Reality (462 KB)

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

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