Minnesota is home to one of the most prominent roadway testing facilities in the nation, known as MnROAD. Researchers there study how different pavement types hold up amid real-world traffic on Interstate 94 and Minnesota's extreme weather.

Audience Producer Ash Miller joined the podcast to discuss how MnROAD is helping engineers around the country design better roads.

LINKS:

Why a slice of I-94 west of the Twin Cities is a 'candyland for researchers' (July 2021 Curious Minnesota story)

Overview of the different types of roadway materials being studied at MnROAD (U.S. DOT)

Video of low-volume road truck driver (MnDOT)