It's no secret that parking in the city is a bitch. So we've enlisted local parking guru and author of Finding the Sweet Spot, David La Bua, to dish out weekly tips on navigating the ins and outs of city parking.

Question: What is the most frequently cited parking violation in San Francisco?

A) Meter violations. 

B) Street sweeping violations

C) Double parking by commercial trucks

D) Parking your vehicle in the wrong direction

E) None of the above

We'll post the answer in a few hours but in the meantime, take a stab at our parking quiz!

Photo via Forty Photographs on Flickr.com