March 2023Vol. 31, No. 1

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Biodiesel allows agencies to cut carbon
New technology is making it possible for transportation agencies to use fuels with higher percentages of biodiesel, even in cold temperatures.


Cultural resources and local government transportation projects
Cultural resources review attempts to balance the transportation needs of a modern society with protection and preservation of archaeological sites and historic structures.


Congratulations, Roads Scholar Class of 2022!
We recognize and thank our 2022 graduates for their hard work!


Top projects: railroad grade separation, dam removal, and more
Minnesota transportation professional associations honored top projects.


The art—and science—of deicing with liquids
Winter road maintenance requires a great deal of “art”—that intuitive understanding of how to deal with ever-changing conditions.

Reducing road salt pollution using winter-smart design
Basic principles for low-salt design could save money on salt maintenance, usage, and remediation.

Automated systems help agencies manage salt stockpiles
A Clear Roads project examined approaches to measuring indoor salt stockpiles, including automated systems, photogrammetry, and drone technology.


Culvert cleaner helps prevent flooding
The Culvert Cleaner saves money and time and improves safety for workers and the community.

System monitors fuel usage in real time
The fuel-tracking system optimizes usage of every gallon.

Submit your ideas for the 2023 Build a Better Mousetrap competition!
As you work on projects throughout the year, please keep the 2023 contest in mind.


MnLTAP e-newsletter: New name, schedule
The MnLTAP News and Training e-newsletter will be sent twice a month.

EDC-7 innovations announced for 2023–2024
The Federal Highway Administration rolled out seven new innovations in the latest round of its Every Day Counts program.

Geosynthetics app helps track installation notes
A new app provides handheld, quick, and easy access to information on the various types and functions of geosynthetic materials for use in road construction and maintenance projects.

Pavement app guides users on preservation techniques
The Pavement Preservation Checklist app offers easy access to a series of 23 checklists created by the FHWA.

Maximizing the value of vehicle technology systems
Researchers made recommendations for maximizing the potential of AVL/GPS systems for maintenance purposes.

The Shelf
Recent publications from various sources.


Minnesota Roadway and Maintenance Demo Day will be in Mankato
We’ll once again offer classroom sessions and outdoor demonstrations.

New FHWA online courses on MnLTAP site
You can now access free FHWA online courses designed for a variety of positions in local and tribal agencies.