Knowledge CentreTechnical Resources SearchWebinars2017 Edition Geometric Design Guide for Canadian Roads – What’s New?

2017 Edition Geometric Design Guide for Canadian Roads – What’s New?

May 10, 2017

The Geometric Design Guide for Canadian Roads (GDG) is a fundamental reference document for roadway design practioners used to varying extents by every jurisdiction in Canada. First released in 1963, with the last edition published in 1999, the Guide has contributed to the consistent and safe development and expansion of regional, provincial, and national roadway and highway systems in Canada.

This recorded webinar, which occurred 4 weeks prior to the release of the 2017 Guide, provided an overview of the new contents and key changes to geometric design elements and processes provided. Fundamental geometric design concepts were not be discussed as part of this webinar.

The complete guide, as well as individual chapters, can be purchased from our online bookstore.


  • Project background
  • GDG chapters: An overview of new content and key changes
    • Design philosophy
    • Design controls
    • Alignment
    • Cross section
    • Bicycle integrated design
    • Pedestrian integrated design
    • Roadside design
    • Access
    • Intersection design
    • Interchange design

Learning Objectives

Learn about new contents and key technical changes to geometric design elements and processes provided in the Guide.

Target Audience

Transportation professionals, designers with minimum experience as well as senior designers.


Geoff Millen, Manager, Road Safety, WSP / MMM Group
Geoff has more than 24 years of experience in highway design and road safety engineering with WSP / MMM Group. He currently serves as the Lead Road Safety Engineer for WSP’s national road safety engineering practice and was a co-author on several chapters of the 2017 Geometric Design Guide for Canadian Roads.

The Transportation Association of Canada (TAC) makes no representations or warranties about the accuracy or suitability of any information presented in the webinars and related materials (such as handouts, presentation documents and recordings); all such content is provided to TAC’s members and webinar registrants on an ‘as is’ basis. TAC is not liable for any information provided by instructors and presenters of these webinars. TAC hereby disclaims all liability for any claims, losses, or damages in connection with use or application of these materials. TAC does not guarantee, warrant, or endorse the products or services of any firm, organization, or person. The information contained in these webinars and related materials is not intended to constitute legal advice or the rendering of legal, consulting, or other professional services of any kind. Users of these materials should not in any manner rely upon or construe the information or resource materials in these materials as legal, or other professional advice and should not act or fail to act based upon the information in these materials without seeking the services of a competent legal or other professional.