How can we import Civil 3D or MX Road Horizontal report into AutoRoads?

How can we import Civil 3D or MX Road Horizontal report into AutoRoads?

Please follow the steps to load the Civil 3D horizontal report:
  1. Select the Horizontal Alignment under Design menu.
  2. Click on the Load Alignment data from File  button.
  3. Select the file format and open it to load.
       
      It supports the other file types including MX Road Horizontal Report too.