I’ve been riding around Karkkila – Pilpala area now already 2 times to find the new route for section 13!
First time was 11th of October and second time was 25th of October.
In the map those 2 times look like this:

And luckily now I can say that Yes I have found the new route for the section 13 and the update will be published soon. I can definitely say that the area near Cafe Lättis has some very nice roads and tracks and now I know the area quite well.
Ofcourse I made the videos and you can watch them here:

Make sure you will always have the latest version of TET tracks when you go riding!
Download the TET Finland here: https://transeurotrail.org/finland/