I wonder if my long term hacking cough is from air polution?
I cough less frequently if I'm wandering around late at night after it's rained.
Update: This is also a good quote from the article.
If there's one lesson to be learned from America's current state of gridlock, it's that you can't build out of congestion. If that were possible, Los Angeles would be a traveler's paradise today. Don Chen, director of Smart Growth America, points to a University of California study showing that a one percent increase in lane miles will generate a just under one percent increase in traffic congestion within five years. "If people see a free-flowing road, they'll use it," says Chen. "This has been well-documented in dozens of surveys going back 50 years." Despite the best efforts of the highway lobby, we've got to forget about paving over our problems and apply new solutions