I am trying to append a .dat file to include breaks. I start in DTM>Extract>Graphics, and in the "Extract Graphics" window I use the following settings: File Type : Ascii, File Open : Append, Feature : Breaks, Mode : Extraction, No stroking, Decimal …

I have a few horizontal alignments (HAs) with accompanying vertical alignments (VAs) that were created using SS3 and they need to be extended. I'm trying to use the Append Element tool under Horizontal Geometry to add another 50 - 300 ft to the beginning…