This command analyzes the selected polylines and erases any duplicate polylines found. They must be exactly the same for one to be deleted.
Select lines, arcs and polylines to process.
Select
objects: select linework to
process
Reading the selection set ...
Removed 1 duplicate linework entities.
Pulldown Menu Location: Edit > Polyline Utilities >
Remove Polyline
Keyboard Command: rmduplwork
Prerequisite: Polylines that have duplicates