Originally Posted by Febs

At this point, assuming that it was a good idea to respond at all (and it's almost invariably not), wouldn't a more productive response have been something like this?

"I'm sorry, ma'am, but section 12-808 of the Philadelphia City Code actually makes it illegal for me to ride on the sidewalk. Plus, Under Chapter 35 of the Pennsylvania Vehicle Code, I am not only permitted, but in many instances required, to ride on the street."