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Gravel Roads-Maintenance and Design Manual Overview

Engineer's, here is our online continuing education course material from the Department of Transportation (DOT) regarding gravel road maintenance and design. You will earn 6 PDH continuing education training hour upon conclusion of the CEU Leaf quiz.

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Good gravel road maintenance or rehabilitation depends on two basic principles: proper use of a motorgrader (or other grading device) and use of good surface gravel. The use of the grader to properly shape the road is obvious to almost everyone, but the quality and volume of gravel needed is not as well understood. It seems that most gravel maintenance/rehabilitation problems are blamed on the grader operator when the actual problem is often material related.

Another important matter to consider is the dramatic change in the vehicles and equipment using low volume roads. Trucks and agricultural equipment are increasing in size and horsepower. The trend is toward even larger machinery.

Engineer Learning Objectives:

  • Understand routine maintenance and rehabilitation
  • Know shaping principals
  • Understand drainage issues
  • Learn about gravel selection
  • Dust control and stabilization
  • Gravel road innovations

This is a handout style continuing education PDH class that comprehensively reviews the publication.

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Online Format:

     Handout / Attachment

PDH Hours:


Engineer PDH Price: $130.50

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"Your concept of 'online' PE courses is both a timely and reasonably priced alternative. I wish I'd found CEU Leaf years ago."

David G. Gardner, P.E.

SVP (retired), Everett Prescott, Inc.

Gardiner, ME

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