It's my understanding that Pittsburgh has more public staircases than virtually any other city. There are over 700 staircases, and many are quite long.
http://www.frontiernet.net/~rochballparks2/towns/pgh_steps.h...
http://www.frontiernet.net/~rochballparks2/towns/pgh_steps.h...
As the thought coalesced in my mind about why that might be the case, the driver responded "Maybe it's from trying to work the clutch pedal on these hills!"