I'm afraid you have no choice:
1 / Resume Speedcam that are not well oriented one by one by changing their direction. it's true it's long.
2 / Edit the Speedcam file (.txt or .spud) with Djeman's Spudigo software and make the changes and save.
Here is the link:
Spoiler: Hide
I took your details on screenshots to show you how the software works.
Spoiler: pics
3 / Wait for an update of Speedcam hoping that it will be corrected
Regards
Bookmarks