Geometric Design of Roundabouts

Course Number: T-6005
Credit: 6 PDH
Subject Matter Expert: Vincent D. Reynolds, P.E., M.B.A.
Price: $169.99 Purchase using Reward Tokens. Details
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Overview

In Geometric Design of Roundabouts, you'll learn ...

  • The principles and objectives common to the design of all categories of roundabouts
  • Size, position and alignment of roundabout approaches
  • Speci?c guidelines for the design of individual geometric elements at single-lane and multilane roundabouts
  • Design criteria for mini-roundabouts

Overview

PDHengineer Course Preview

Preview a portion of this course before purchasing it.

Credit: 6 PDH

Length: 100 pages

Traffic circles have been used in the U.S. since 1905. The modern roundabout, developed in the United Kingdom, was developed to rectify problems associated with traffic circles.

Roundabout design is an iterative process where a variety of design objectives must be considered and balanced within site-specific constraints. Maximizing the operational performance and safety for a roundabout requires the engineer to think through the design rather than rely upon a design template.

In this course, you’ll learn guidelines for the geometric design of single-lane, multilane and mini-roundabouts.

Specific Knowledge or Skill Obtained

This course teaches the following specific knowledge and skills:

  • The proper placement of bike lanes at roundabouts
  • The width and recommended dimensions of splitter islands
  • The superelevation used for various speeds
  • The dimensions of truck aprons
  • Entry and exit widths of roundabouts
  • Specific guidelines for the design of single-lane roundabouts
  • Specific guidelines for the design of multi-lane roundabouts
  • Design considerations for mini-roundabouts
  • Treatments for high speed approaches
  • Pedestrian, bicycle and parking considerations
  • Diamond and single-point diamond interchanges

Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 30 questions. PDH credits are not awarded until the course is completed and quiz is passed.

Board Acceptance
This course is applicable to professional engineers in:
Alabama (P.E.) Alaska (P.E.) Arkansas (P.E.)
Delaware (P.E.) Florida (P.E. Area of Practice) Georgia (P.E.)
Idaho (P.E.) Illinois (P.E.) Illinois (S.E.)
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PDHengineer Course Preview

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Credit: 6 PDH

Length: 100 pages

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