Carmageddon survival guide

If you believe the hype, Judgment Day for Los Angeles motorists begins at 7 tonight, when crews begin blocking access ramps to the 405 Freeway in preparation for the weekend closure through the Sepulveda Pass. C.J. Lin in the Daily News,

But will L.A. freeways, boulevards and side streets descend into clogged chaos, creating the city's worst-ever traffic jam? Or are all the doom-and-gloom scenarios about "Carmageddon" nothing more than fear-mongering blather similar to the Y2K scare more than a decade ago?

It's hard to tell, according to Metro officials, who say 500,000 cars travel the corridor on a typical July weekend.