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
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I took your details on screenshots to show you how the software works.
Spoiler: pics
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3 / Wait for an update of Speedcam hoping that it will be corrected

Regards