I have uploaded the video for importing DXF file in MXRoad with levels, it's also mentioned, how to convert cad elements to MXRoad. Pease refer the below link for your reference.
communities.bentley.com/.../29683.video-import-dxf-file-in-mxroad
Regards,
Purva Lakde
communities.bentley.com/.../29683.video-import-dxf-file-in-mxroad
Regards,
Purva Lakde