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Gravel Roads Construction and Maintenance

COURSE NO: C08-019
PDH CREDIT: 8
Gravel Roads Construction and Maintenance
Course Highlights

This online engineering PDH course provides clear and practical information on the construction and maintenance of gravel roads. It includes many photographs of existing roads that show examples of both good and poor practices in maintenance and design. Given the importance of gravel roads to the economy, especially of rural areas, engineers must understand maintenance and design issues associated with gravel roads.

 

The United States has over 1.6 million miles of gravel roads, amounting to about 53% of the country’s total road mileage.  Gravel roads are usually considered greatly inferior to paved roads, but in many rural regions the volume of traffic is so low that paving and maintaining a paved road is not economically feasible.

 

Yet gravel roads serve important functions: providing a means of getting agricultural products in and out of farm fields, timber out of forests, or providing access to remote areas such as campgrounds and lakes. Many gravel roads serve rural residents as well. 

 

This 8 PDH online course is intended for local agency officials, managers, civil, and transportation engineers concerned with the construction and maintenance of gravel roads.

Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Proper road cross section shape: crown, shoulder and foreslope
  • Rehabilitation of deteriorated road
  • Principles of drainage: ditches, culverts, and underdrains
  • Areas of concern: corrugation (washboarding), intersections, superelevation in curves, rail crossings, soft and weak subgrade
  • Selection of gravel
  • Avoiding segregation
  • Need for testing aggregates
  • Handling gravel
  • Dust control/stabilizers: types, benefits, and application tips
  • Design methods for determining road thickness
  • Quantity calculations
  • Deciding when to pave a gravel road
Course Document
In this professional engineering CEU course, you need to review the document, “Gravel Roads Construction & Maintenance Guide,” August 2015, as part of a joint effort by the Federal Highway Administration (FHWA) and the South Dakota Local Technical Assistance Program (SDLTAP) located at South Dakota State University in Brookings, SD.
To view, print and study the course document, please click on the following link(s):
Gravel Roads Construction and Maintenance (17.8 MB)
Course Quiz

Once you complete your course review, you need to take a multiple-choice quiz consisting of forty (40) questions to earn 8 PDH credits. The quiz will be based on this FHWA & SDLTAP publication.

The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you may print your Certificate of Completion after we receive your payment.) For your convenience, we will also email you your Certificate of Completion. Also, you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: