The rail planer laid some funny tracks and when I went to place signals on those tracks the placement indicators showed two spots which resulted in blinking signals because the signals were touching both tracks.
The two signals in focus were blinking green-yellow-red.
[0.13.4] [kovarex] Train signal placement indicator @ invalid position
[0.13.6] Signal placement indicator
Well, the picture explains it quite clearly. There is signal placement indicator where it shouldn't be.
Re: [0.13.4] [kovarex] Train signal placement indicator @ invalid position
Fixed for 0.13.6 (at least the latest screenshot)
Re: [0.13.4] [kovarex] Train signal placement indicator @ invalid position
Yea ... it was different kind of problem, so I fixed that too for 0.13.7