Oddball duplication of track, I was testing a session and an AI reported unable to find path to next marker. Looking at the track near the marker;
It looked funny, so I added a spline point and dragged that over a bit;
This happened in two places, possibly due to merging in a route module, altho that was several miles away from these. Since the road next to the track was "shimmering" I looked at that too;
Somehow that got duplicated as well.
One thing I noticed when editing the module before merging it - I made the module by making a copy of an older version of the main route which had the section I wanted to merge in, then deleted all the baseboards except the ones I wanted to use. While deleting baseboards I occasionally noticed sections of track and road that remained floating in air after the baseboard was gone, it's possible this glitch is a remnant of that. I assumed that after saving the module route the "orphaned" track sections with no baseboards underneath would be gone, apparently not.

It looked funny, so I added a spline point and dragged that over a bit;

This happened in two places, possibly due to merging in a route module, altho that was several miles away from these. Since the road next to the track was "shimmering" I looked at that too;

Somehow that got duplicated as well.
One thing I noticed when editing the module before merging it - I made the module by making a copy of an older version of the main route which had the section I wanted to merge in, then deleted all the baseboards except the ones I wanted to use. While deleting baseboards I occasionally noticed sections of track and road that remained floating in air after the baseboard was gone, it's possible this glitch is a remnant of that. I assumed that after saving the module route the "orphaned" track sections with no baseboards underneath would be gone, apparently not.