Chapter 4, Cross Section Elements of TAC’s Geometric Design Guide for Canadian Roads (GDG) addresses design procedures and domains related to road cross sections and presents typical cross sections, as well as discussing considerations related to bridges, utility placement, snow storage and future widenings.
The 2017 update of TAC’s GDG did not incorporate major revisions to Chapter 4, which was previously updated in 2001. This webinar highlights the Cross Section Elements: Research and Synthesis of Practice publication that provides current approaches for consideration on the following road elements:
- lane widths
- special purpose lanes including passing lanes, turning lanes, parking lanes, auxiliary lanes, weaving lanes, transit lanes, bicycle lanes, ramps and service/frontage lanes
- typical cross sections, including those serving multiple modes
- sidewalks, boulevards and border areas
- medians and outer separations
- shoulders
- curb and gutter
- surface drainage
Presenters
Carolyn Sherstone
Senior Transportation Planner,
WSP
Selby Thannikary
Senior Manager, Transportation Planning & Science
WSP
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