Cher impersonators?
Now that would be enough to scare me off any route.

Yes, ducks.

I use another trailer for deer, hogs and small game. Our deer are small.
And yes. I have towed this rig on that 60 mph highway, no worries.

Higher speeds = higher risk also depends on other factors. Is the road flat and straight (better sight lines)? Narrow? Wide shoulders? Hills or sharp curves? There's more to it than just speed.