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Roadway Cross-Sections

COURSE NO: C05-020
COURSE PROVIDER: Gregory Taylor, P.E.
Roadway Cross-Sections
Course Highlights

This online engineering PDH course focuses on the geometric design of cross-sections for modern roads and highways.


The AASHTO "Green Book" defines a roadway cross-section as "a vertical section of the ground and roadway at right angles to the centerline of the roadway, including all elements of a highway or street from right-of-way line". Along with the vertical alignment (grades and vertical curves) and horizontal alignment (tangents and curves), the roadway cross-section (lanes and shoulders, curbs, medians, roadside slopes and ditches, as well as sidewalks) helps to present a three-dimensional roadway model. Its ultimate goal is to provide a safe, smooth-flowing facility that is crash-free.


The 5 PDH online course is applicable to traffic or transportation engineers and designers interested in learning about the principles to be considered when selecting and designing roadway cross-sections.

Learning Objectives

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

  • Typical roadway cross-section elements
  • Components of the traveled way
  • Lane widths
  • Characteristics of roadway shoulders
  • Principles of roadside design
  • Curb categories and usage
  • Rumble strips
  • Design and application of on-street parking
  • Typical applications for drainage channels
  • Various types of traffic barriers
  • Noise reduction design
  • Design and application of pedestrian facilities
  • Tunnel design
  • Types of bus turnouts
  • Bicycle facilities
  • Clear zone concept
  • Park-and-Ride facilities
Course Document

In this professional engineering CEU course, you need to review the course document titled "Roadway Cross-Sections". This course document is based exclusively on Chapter 4, Cross-Section Elements of the American Association of State Highway and Transportation Officials (AASHTO) publication, "A Policy on Geometric Design of Highways and Streets" (also known as the "Green Book").

To view, print and study the course document, please click on the following link(s):
Roadway Cross-Sections (3.2 MB)
Course Quiz
Once you complete your course review, you need to take a multiple-choice quiz consisting of thirty (30) questions to earn 5 PDH credits.
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: