Transportation Learning Network

Virtual Learning

Aggregate Roundtable Conversation

  • Apr 18, 2024
    Virtual Learning (desktop/laptop and mobile devices)

The above opportunity and more can be accessed by visiting the TLN Learning Management System (LMS).


Join us for this presentation as the four Departments of Transportation discuss aggregates. This presentation will feature subject matter experts from each state as they discuss various items to include:

  • Aggregate Sourcing / Prospecting
  • Types of aggregates available in your state
  • Aggregate sources for construction, maintenance, etc.
  • Challenges with aggregates in your state
  • Testing procedures
  • Certification requirements
  • Recycled materials usage
  • Upcoming changes

This presentation is a great opportunity to learn from each state on this topic and discuss some similarities to help create seamless borders and solve some common issues.


Montana DOT: Ross "Oak" Metcalf, PE, State Materials Engineer
North Dakota: Amy Beise, PE, Materials & Research Engineer and Jeff Swank, Gravel Prospecting Coordinator
South Dakota: Tanner Fitzke, PE Chief Materials & Surfacing Engineer
Wyoming: Greg Milburn, PE State Materials Engineer, Mark Falk, PE, Chief Engineering Geologist, and James Dahill, PE Asst Chief Engineering Geologist

Target Audience

All construction, materials, maintenance, design, and any other professionals who work with aggregates in their positions.