Yes, it's nerdy, but when this happened over the weekend I had to snap a photo:
It might even have been more interesting if I'd just sat there and waited for half an hour or so (27 minutes, actually), but even I have a nerd threshhold.
By the way, because I live in the middle of Chicago, it might surprise readers to know that I bought the car new in January 2002. In 2008, actually, I drove less than 5,000 km. Really, public transportation rocks.