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.

Running red lights. We all do it because we're impatient, even though it's kind of a death wish. Getting stuck with a ticket from a red light camera's no picnic either, so take this quiz (plus a bonus question!) to avoid one of the nasty slips of paper. Check back later, because we'll post the answers in a few hours!

How many red light camera intersections are there in SF?

A) 2
 
B) 4
 
C) 24
 
D) 42
 
E) 142
 
 
Bonus Question (Essay): How long does the typical red light last?