| Customize the design criteria file | Update the design criteria file that ships with AutoCAD Civil 3D, or create a new file that contains your local standards tables. |
| Verify the default label abbreviations | Update the abbreviations in the drawing settings to use the critical point text that is required by your local agency. |
| Verify alignment feature settings | Review the alignment feature settings for Cant Options and Rail Alignment Options, including default track width. |
| Specify the unit chord length or unit arc length | Use the Degree of Curvature Ambient Settings to specify the value from which degree of curvature is calculated. |