There is a leash law in my county, too.
But when it comes to, how to react to an approaching dog, or even passing a dog that is on a leash. They don't scare me at all. Because, A dog is a dog. They are not the enemy.
Do I own a dog, no. But am I wary of dogs, no. When I encounter a dog, I do my best to befriend the dog. Why do I do that. Because of the countless lessons I learned on how to react to a seemingly vicious dog.