parking ticket

We have a small shop in midtown New York City. One of our delivery persons received a summons for no standing in a no standing zone at a certain time, unaware that the block has such rules during a certain time period. The problem was that the sign which was on the block was damaged and not...

I am from Utah and on my way to San Jose, California for the first time in many years. I had a parking ticket at a broken parking meter in San Francisco about 20 years ago that I challenged by mail. I don't recall how it was resolved. I am now worried about since I have heard some horror stories...