Research Publications

Standardizing communication on road conditions to improve safety.

Leveraging connected vehicle technology for use in road weather management.

Crowdsourcing road friction data to support winter operations.

Sustainable dust suppressants on gravel roads may reduce health and environmental impacts.

New technology for alerting drivers to adverse road conditions.

Uniform data collection to improve safety hardware assessment.

Identify which sealers can cost-effectively improve the longevity of concrete surfaces by helping compensate for mixtures at risk for early deterioration.

Iowa DOT monitored two culverts from construction through operation to learn how earth pressure changes over time

The results provide county engineers with increased flexibility in road construction.

Using highway cameras to monitor road surface conditions.

Improving roadway friction measurement methods to keep winter roads clear.

Geotextiles used in road rehab may help extend pavement life.

Detecting bridge strikes will help Iowa DOT recover costs for repairs.

Enhanced VKelly test offers improvements to onsite pavement mixture measurements.

Advanced steel offers cost-savings for Iowa’s bridges.

Understanding climate and flood predictions for resilient infrastructure design.

Exploring standard plans for short-span concrete slab bridges for Iowa counties.

Iowa DOT has stayed on the leading edge of innovations in materials, processes, and technologies that have brought improvement and longevity to transportation systems around the world.

An updated inventory of Iowa’s bridges will help state and local engineers prioritize maintenance.

Repair options for fire-damaged concrete bridges.