Watch an LRRB video that answers common questions about gravel roads

This one-day workshop helps supervisory personnel and operators better understand the materials, techniques, equipment needed for maintaining gravel roads, and review new techniques and ideas in gravel road maintenance. Slides, videos, and group discussions will help attendees learn from real-world examples and benefit from the exchange of information with instructors and other attendees.

Date & Location

This workshop is scheduled from 8:30 a.m. to 3:30 p.m. (registration begins at 8:30 a.m.) at the specified locations on the dates listed below:

  • April 14, 2020—University of Minnesota Crookston, Sargeant Student Center, 2900 University Avenue, Crookston, MN 56716
  • April 21, 2020—MnDOT District 6A, 2900 48th Street NW, Rochester, MN 55901
  • April 28, 2020—Crow Wing County Land Services Building, 322 Laurel Street, Brainerd, MN 56401


Topics Covered

  • The latest in gravel road maintenance techniques
  • How to reduce washboarding
  • How to choose good sources of gravel
  • How to shape a gravel road, including a proper crown and shoulder
  • Gravel road and equipment safety
  • Gravel gradation
  • How to control dust
  • How to select the right equipment and cutting edges
  • Fabric stabilization of weak road-base conditions
  • How to develop a road improvement program
  • Gravel road stabilization with Otta Seal or calcium chloride
  • Review of gravel road maintenance equipment
  • Motor grader safety and operation overview

Who Should Attend

Supervisors, operators, and township officials responsible for maintaining gravel roads and anyone interested in gravel road maintenance.

Course Instructors

John Okeson has more than 40 years experience in operations, supervision, and management for a rural county highway department. He has served 20 years as a township supervisor. John retired from Becker County Highway as superintendent after 42 years and is presently serving as a Becker County commissioner.

Brian Lindberg has been working on building and maintaining gravel roads for most of his life. He started blading roads for the township when he was 18 years old. He spent 33 years with the Polk County Highway Department. Lindberg worked for 29 years as highway maintenance and a motor grader operator and for four years as road foreman. He was the lead man on numerous gravel road projects throughout Polk County. Lindberg is currently the motor grader instructor for Minnesota LTAP.



This workshop is presented by the Minnesota Local Technical Assistance Program (LTAP) at the Center for Transportation Studies, University of Minnesota. Minnesota LTAP is sponsored by the Minnesota Local Road Research Board (LRRB) and the Federal Highway Administration (FHWA). This course is subsidized through funding from LRRB and FHWA.