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AutoCAD® Civil 3D® 2012 Essentials: Autodesk® Official Training Guide: Essential by Eric Chappell

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Applying Design Criteria Files and Check Sets

When you're laying out a design, how do you know whether you're doing it right? What should the curve radii be? Should there be a minimum tangent length between curves, or is it OK to have back-to-back curves? How does the expected speed of traffic affect the answers to these questions?

The answers to these types of questions can differ, depending on the project. For road design, the government entity that accepts responsibility for the road is most likely calling the shots when it comes to design standards. That may be the state DOT, county planning commission, or even the community homeowners association. In other cases, you may be designing roads or other linear features on private property that ...

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