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Transportation Maintenance Innovation

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      • April/May 2025 – Portland, ME
      • September, 2024 – Fargo, ND
      • May 2024 – Baton Rouge, LA
      • October 2023 – Virginia
      • April 2023 – Missouri
      • October 2022 – Indianapolis, IN
      • May 2022 – Sacramento, CA
      • September 2021 – Denver, CO
      • February/March 2021 – Virtual
      • May 2019 – Denver, CO
      • October 2018 – Austin, TX
      • April 2018 – Seattle, WA
      • August 2017 – Columbus, OH
      • October 2016 – Ann Arbor, MI
      • December 2015 – St. Louis, MO
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News

No Boundaries’ New Solicitation Just Posted

August 1, 2024

With its current phase coming to an end, the No Boundaries Transportation Maintenance Innovations pooled fund just released a new solicitation for members to join its next phase to begin in 2025.

The No Boundaries pooled fund is a community of practice dedicated to identifying and sharing innovations that help states save time and money on all aspects of their maintenance-related activities. The group promotes adaptation, implementation and broader use of successful tools, technologies and practices, and facilitates opportunities that encourage collaboration.

This new fourth phase will build upon No Boundaries’ previous work to support successful tech transfer. The group hosts two in-person peer exchange each year where member representatives can meet and discuss their challenges and innovative maintenance solutions. No Boundaries also supports a variety of additional opportunities for learning and exchanging knowledge, and maintains a searchable online database where maintenance innovations can be found and showcased by transportation agencies at all levels of government. 

A three-year commitment of $13,000 per year is encouraged, and single-year commitments are welcomed as well.  

Learn more at maintainroads.org.

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New Jersey Identifies Innovations for Repairing Potholes in Asphalt Pavements

July 23, 2024

Pothole repair is a critical and often-performed highway maintenance activity, requiring a significant investment in time and resources.

To identify ways to help repairs last longer, the New Jersey Department of Transportation launched a research project to evaluate innovative tools, technologies and materials for repairing potholes that form in asphalt pavements.

The American Association of State Highway Officials honored this project with a 2024 High Value Research Award in the supplemental category of Maintenance, Management and Preservation.

Read the report: Innovative Pothole Repair Materials and Techniques – Volume 1: Asphalt Pavement – Volume 1: Asphalt Pavement, January 2024.

Image source: New Jersey Department of Transportation

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Illinois Identifies Early Warning Devices for Low-Clearance Structures

July 16, 2024

Bridge and tunnel strikes are serious hazards. When an oversized vehicle exceeds a structure’s vertical clearance, the impact can jeopardize public safety and cause significant property damage.

To mitigate the potential risks, the Illinois Department of Transportation launched a research study to identify the different technologies available for detecting vehicle height and issuing early warnings, as well as the costs and benefits of each option.                                                                                                                                      

Read the report: Review of Low-Clearance Early Warning Device Options for Illinois, July 2024.

Image source: Federal Highway Administration

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North Carolina Evaluates Herbicides for Use Near Roadside Wildflowers

July 9, 2024

Wildflowers planted along highway roadsides offer a number of environmental, safety and economic benefits. To ensure these species thrive, weed control is critical.

To identify chemical treatments that can effectively control weeds without harming the state’s wildflowers, the North Carolina Department of Transportation conducted an assessment of different herbicides on eight wildflower species.

Read the report: Implementation of Field Recommendations for the NCDOT Wildflower Program, April 2024.

Image source: North Carolina Department of Transportation

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Strategies to Identify and Mitigate Forever Chemicals in Maintenance Work

July 2, 2024

Per- and polyfluoroalkyl substances, also known as PFAS or ‘forever chemicals’ have been in the news recently thanks to their prevalence in the environment and the dangers they pose to human health.

In a study from the National Cooperative Highway Research Program (NCHRP), researchers surveyed state departments of transportation (DOTs) to learn how they identify and mitigate the impacts of PFAS during highway construction and maintenance operations.

Read the Synthesis: Practices to Identify and Mitigate PFAS Impacts on Highway Construction Projects and Maintenance Operations, 2024.

Image source: NCHRP

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Oregon Identifies Strategies for Reducing Ghost Marking Confusion

June 25, 2024

When a highway’s lanes need to be reconfigured, many state transportation agencies use hydroblasting or sandblasting techniques to remove the old markings. However, these methods can damage the pavement surface and leave residual or “ghost” marks that can cause driver confusion.

To assess how drivers behave when they encounter ghost lines caused by different removal techniques, the Oregon Department of Transportation conducted field and laboratory experiments and developed recommendations for improving driver response in a variety of conditions.

Read the report: Removing Residual Lane Markings to Reduce Driver Confusion, April 2024.

Image source: Oregon Department of Transportation

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