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With one third of our national transportation system being unpaved and a number of the local systems having more miles of unpaved roads than paved, the design and maintenance of that system is a major concern of those agencies.  This full day program looks at the service level of the unpaved road to determine the maintenance and materials used to maintain that service level.  The student will discuss the hidden costs of an unpaved road to both the agency and the driving public.

As the Service Level of an unpaved road increases, the cost of maintenance increases due to the increasing speed and volume of the traffic.  Short of paving that roadway what can an agency use to reduce those maintenance costs?  This course looks at the products being used as “Stabilizers”, identifying the family of products and look at the installation, maintenance and environmental impact of the products

Learning Outcomes

By the end of this course the Student will be able to:

  • Describe the desirable shape of an unpaved road and why that shape will extend the service life of that road,
  • Discuss the hidden costs of unpaved roads,
  • Explain when an organization may need to look at using other materials to reduce maintenance costs,
  • Understand the different families of stabilizers and the questions that need to be asked when talking to a salesman.

Course Content includes

  • Service Levels of Unpaved Roads
  • Materials used in roadways; free is not always free.
  • How roadside features affect the life of the road.
  • Types of stabilizers and methods of installation.

Who Should Attend

  • Maintenance Personnel
  • Grader Operators
  • Maintenance Supervisors
  • Anyone who deals with the construction and/or maintenance of unpaved roads


Bruce Drewes has worked in the transportation industry for over thirty years, with twelve as an instructor and manager of the Idaho LTAP Center.  Bruce has a strong background in Maintenance and Construction when dealing with traffic control, employee and roadway safety, winter operations, and gravel roads.  He is currently a Master Instructor for the American Traffic Safety Services Association (ATSSA), a certified instructor for OSHA 10-hour Construction and OSHA 7600 Disaster Site Workers Outreach courses.


  • Oct 9 – Fernley: 8:30am-4pm, City Hall, 595 Silver Lace Blvd., Fernley, WNC Room
  • Oct 10 – Winnemucca: 8:30am-4pm, Winnemucca Convention Center, 50 Winnemucca Blvd.
  • Oct 11 – Elko: 8:30am-4pm, Great Basin College, 1500 College Pkwy, room MCML 219
  • Oct 30 – Pahrump: 8:30am-4pm, Great Basin College, 551 E Calvada Blvd., Room 121
  • Oct 31 – Tonopah: 8:30am-4pm, Tonopah Convention Center, 301 Brougher Ave.
  • Nov 1 – Ely: 8:30am-4pm, Great Basin College, 2115 Bobcat Dr., Ely, Room 109


Our Registration Form can be completed online, printed and submitted via email or fax.

Road Scholar

This class meets credit requirements for TWO electives: Dust Control and Gravel Road Maintenance.

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