There are twelve Import options available in Carlson Civil to convert
other applications' centerline files to Carlson Civil centerline files
(.CL), and five Export options to convert Carlson Civil centerline
files (.CL) to other applications' formats. Each Import option
prompts for the file to convert and the name of the new .CL file to
create, each Export option prompts for .CL file to convert and a file
name for the new file.