Divide a single track spline segment into two segments that are still joined. Open the Track Tools, select the Track objects (it is normally selected), click Advanced, click the third icon on the top row (Insert Spline Point), click on the track at the place where the "split" is to be made.
Break a track segment at a spline point into two separate and unconnected track segments. Open the Track Tools, select the Track objects (it is normally selected), click the third icon on the left of the rotating track image (Split Spline), click on the spline point to be split.
