The vehicle drivers must also follow the rules of the road by not passing in no passing zones, follow posted speed limits, and use caution at crest of hills and bends. You can see form this photo taken at dusk, the emblem and lights would be all you could see at night. The following items are recommended and in some states required by law. If the driver sits on the right, a mirror should also be placed on the right side. All equipment should be periodically checked and replaced when needed.
Worn harnesses break causing lost of control of the horse.
Mirrors should be large enough so that the whole road is visible. Battery lights should be kept charged. If lanterns are used, be sure globes are clean. Reducing the speed limit in these areas would be an easy and inexpensive start to the problem. Ohio has added or widen berms on the roadways is some areas but this is a costly project.