Gosh, I can see how it's hard for you as a pedestrian.
It's also very hard for equestrians. When we shout at and signal drivers, it's not to be abusive, it's to be heard over the noise of their engines, music or radio, phones, and through closed windows.
When we say "slow down" we mean to 10 kph or 5 mph - because horses themselves are instinctively terrified of anything that goes fast and makes a lot of noise. That terror can cause them to bolt or shy, both of which can lead to death or crippling of both horse and rider.
One can train a horse to handle traffic, but it is impossible to do so without first exposing them to gentle and safe traffic and gradually upping the exposure -- however there are very few places, usually none, where this is possible.
Most drivers have no idea of horses' instincts compel them to behave and thus unwittingly put equestrian and horse lives at risk.
Places for horses to trail ride are gradually being closed down. Private landowners are less and less willing to allow neighbors to ride through (except in Britain where the law gives equestrians and pedestrians with pets the right to pass through so long as they do no damage and stay near the boundaries).
It is possible to buy "nappies" for horses - however these are outrageously expensive, environmentally toxic, and most riders can't handle the laughter, teasing and insults.
The best answer is for local councils to create bridal paths beside roads, but remarkably few municipalities do.
In some places it would be too expensive for rate payers.
In others, it would be easy whenever new roads are built or old ones repaired.
Riders could build a case for bridle paths in that equestrians usually bring greater prosperity to rural areas.
