Yes, mostly it’s not allowed as either laws include them specifically or bizarrely they are treated as motor vehicles. There are places that don’t mind though. Pretty much everywhere except Montana, in the US, it is illegal to drive a horse and cart drunk. In the UK it’s illegal to be in charge of cattle on a road drunk. Very inclusive.
Yes, mostly it’s not allowed as either laws include them specifically or bizarrely they are treated as motor vehicles. There are places that don’t mind though. Pretty much everywhere except Montana, in the US, it is illegal to drive a horse and cart drunk. In the UK it’s illegal to be in charge of cattle on a road drunk. Very inclusive.