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Practical Geometric Design of Roadways

COURSE NO: C08-024
PDH CREDIT: 8
Practical Geometric Design of Roadways
Course Highlights

This online engineering PDH course provides a detailed description on the geometric design of horizontal alignments, vertical alignments, and cross-sections for modern roadways.

 

In today's environment, roadway engineers must do more than applying design standards and criteria to "solve" a problem; they must understand how to foster broader community goals, including providing access to employment, schools, businesses and residences, accommodate a range of travel modes such as walking, bicycling, transit, and automobiles, and minimizing fuel use, emissions and environmental damage.

 

The geometric design of roads is the branch of roadway engineering concerned with the positioning of the physical elements of the roadway according to specific standards and constraints. The basic objectives in geometric design are to optimize the efficiency and safety of the roadway, while minimizing the costs and damages.

 

The roadway horizontal alignment consists of a series of horizontal tangents, circular curves (simple, compound, and reverse), and spiral transitions. The roadway vertical alignment is a combination of a series of connecting tangent grades and vertical parabolic curves (crest and sag). The roadway cross-section consists of lanes and shoulders, clear zones, curbs, medians, roadside slopes, ditches, and sidewalks. Together, the horizontal alignment, the vertical alignment, and the cross-sections help to provide a three-dimensional roadway layout.

 

This 8 PDH online course is applicable to traffic or transportation engineers interested in learning about the principles considered when selecting and designing roadway horizontal alignments, vertical alignments, and cross-sections. The contents of this document are intended to serve as guidance and not as an absolute standard or rule.

Learning Objectives

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

  • Familiarizing with the functional classification of roads
  • Learning about the horizontal alignment
  • Learning about the vertical alignment
  • Understanding the design considerations involving sight distances, lanes and shoulders, cross slopes, and clear zones
Course Document
In this professional engineering CEU course, you need to review the course document titled, “Practical Geometric Design of Roadways”, which is prepared by Najib Gerges, Ph.D., P.E.
To view, print and study the course document, please click on the following link(s):
PRACTICAL GEOMETRIC DESIGN OF ROADWAYS (2.8 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 the entire document.
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 will be able to print it after we receive your payment.) For your convenience, we will also email it to you. Please note that 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: