Use the FDOT Create/Edit Application to create the DSGNRD##.DWG file.
Open the drawing and reference the necessary information.
Reference the Existing Ground:
Below Data Shortcuts in the Prospector Toolspace > expand Surfaces > right-click the Existing Surface > select Create Reference
Specify the desired surface style.
Reference the Alignment:
Below Data Shortcuts in the Prospector Toolspace > expand Alignments > right-click the Alignment > select Create Reference
Specify the desired alignment styles.
Reference the Profile:
Since these are existing features, the elevation of the items is determined by the Existing Ground surface. Therefore you should reference the Existing Ground profile.
Below Data Shortcuts in the Prospector Toolspace > expand Alignments > expand the Alignment associated with the profile > right-click the Profile > select Create Reference