@Freddy-Schenk
Example for both problems, coloring and routing:
Detailed view, see the black lines above, on and below the section:
340266e4-45a4-4a39-9988-585ddbc9034e-grafik.png
Normal planning view, which I normally use (no, I do not drive the complete route virtually before I drive it on the bike :-))
0cf7962d-f237-41eb-a2f8-be1889bc1397-grafik.png
Regarding routing: if I change the map from TomTom to OpenStreetMap, the deviation works:
e9b6c0e4-3d52-4c75-8534-b1201bfd7b21-grafik.png