Roundabout Fastest Path, Fastest Speeds, and Speed Consistency Calculations as per NCHRP 672 and Torus

One primary influence on the safety performance of a Modern Roundabout are the speeds at which vehicles will travel within the facility. This webinar focuses on the analysis tools and method provided by the NCHRP Guideline to evaluate speed, and then looks at how speed-informed design can be accomplished in the TORUS Roundabouts software.

In this webcast you will learn the following:

• Learn about the five Critical Path Radii, and specifically what Fastest Path is.
• Understand what speed consistency is and why it is important.
• Learn about TORUS’ methodology for approximation of fastest path.
• Watch how TORUS can be used to check fastest path on manually generated roundabout designs, and also how speed-informed geometric design is performed.

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