Here is a safety feature that you might not have thought of to include when hauling your own horse.
My roadside kit includes jumper cables, and surprisingly, I've had to use them. My truck battery was fine, but a friend's battery died while at an endurance ride in a pretty remote part of the Mojave Desert. I am not ashamed to admit that I didn't know how to use them, but a friendly competitor did. We got my friend's truck started, and she made it home safely. The kit also has a mini air compressor (not sure it's strong enough to inflate a big tire), road flares, and other odds and ends.
It makes my husband feel slightly better that I have the kits, but the AAA card in my wallet makes him feel a whole lot better! And surprisingly, I've had to use that one, too!
Safety Tip #2: Carry tools and an emergency roadside kit.