If there were no signs against parking there how in the world were you supposed to know? Here in MN we have laws that we can't park on any street from 10 p.m. to 7 or 8 a.m. I think from November to May or so because if it snows it will hinder the snow plows, but there are signs all over that say that and a sign at the city limits sign that states it. Good luck fighting your ticket. If it's normally fine to park there and there was no warning that you couldn't, I don't see how they can fine you