Civil 3d 2018 Create Alignment from an Object?

Create alignments in Civil 3D | Autodesk

Civil 3D Quick Start Guide - Draw an alignment for a road and add curves | Autodesk

Civil 3D Quick Start Guide - Understanding dynamic objects and object properties | Autodesk

Civil 3D Quick Start Guide - Create a corridor and a surface for a 3D road model | Autodesk

Exploring AutoCAD Civil 3D-Tutorials from Basics to Advanced

Civil 3D Quick Start Guide - Create and join feature lines | Autodesk

Learning the essentials of Civil 3D - AutoCAD Civil 3D Video Tutorial | LinkedIn Learning, formerly Lynda.com