Historically, federal regulations have required that MnDOT use pipes made with all-new materials in various applications, such as redirecting stormwater under roadways. However, recent changes to these regulations have made it possible for the agency to also consider pipes made with recycled materials, which could provide MnDOT with more options when choosing products for future projects.

“If pipes made with post-consumer and post-industrial recycled content work just as well as the pipes we typically use, we’ll provide decision-makers with one more pipe material alternative to help MnDOT realize its environmental goals and reduce its carbon footprint,” said Erik Brenna, hydraulic engineer, MnDOT Bridge State Aid.

In a new study, researchers will:

Details of the research study work plan and timeline are subject to change.

To receive email updates about this project, visit MnDOT’s Office of Research & Innovation to subscribe.

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Crossroads is a collaborative effort among MnDOT’s Office of Research & Innovation, the University of Minnesota’s Center for Transportation Studies and the Minnesota Local Road Research Board. This jointly produced blog is devoted to highlighting the latest news and events in transportation research and innovation in Minnesota.