Carmageddon returns to Los Angeles

The 405 Freeway is completely shut down for a 10-mile stretch this weekend for the demolition that is part of a larger US$1bn freeway improvement project
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Construction crews demolish the north side of the Mulholland Bridge over the closed 405 freeway during Carmageddon on September 29, 2012 in Los Angeles, California. The 405 Freeway is completely shut down for a 10 mile stretch this weekend for the demolition that is part of a larger $1-billion freeway improvement project. (Getty Images)
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The empty 405 freeway looking southbound runs underneath the 10 freeway during Carmageddon on September 29, 2012 in Los Angeles, California. The 405 Freeway is completely shut down for a 10 mile stretch this weekend for the demolition that is part of a larger $1-billion freeway improvement project. (Getty Images)
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A group of people monitor construction crews demolishing a portion of the Mulholland Drive bridge along the 405 Freeway September 29, 2012 in Los Angeles, California. The 405 Freeway is completely shut down for a 10 mile stretch this weekend for the demolition that is part of a larger $1-billion freeway improvement project. (Getty Images)
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Los Angeles Mayor Antonio Villaraigosa briefs the press on progress made as crews work to demolish a portion of the Mulholland Drive bridge along the 405 Freeway September 29, 2012 in Los Angeles, California. The 405 Freeway is completely shut down for a 10 mile stretch this weekend for the demolition that is part of a larger $1-billion freeway improvement project. (Getty Images)
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Construction crews continue to demolish a portion of the Mulholland Drive bridge above the 405 Freeway on September 29, 2012 in Los Angeles, California. The Mullholand Bridge Demolition Part II, also known as ''Carmageddon II,'' will shut down of a 10-mile stretch of the 405 Freeway between the 10 and 101 Freeways for 53 hours as construction workers tear down the remaining part of the Mullholand bridge as part of a transportation project to widen the freeway. (Getty Images)
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LAPD officer Sara Faden walks along a shoulder of the 405 Freeway September 29, 2012 in Los Angeles, California. The 405 Freeway is completely shut down for a 10 mile stretch this weekend for the demolition that is part of a larger $1-billion freeway improvement project. (Getty Images)
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A member of the press poses for a photo on the 405 Freeway as construction crews demolish a portion of the Mulholland Drive bridge along the 405 Freeway September 29, 2012 in Los Angeles, California. The 405 Freeway is completely shut down for a 10 mile stretch this weekend for the demolition that is part of a larger $1-billion freeway improvement project. (Getty Images)
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Transportation engineer Commander Aram Sahakian (2nd L) speaks with emergency manager Rob Freeman, assistant transportation engineer Carl Mehrabian, and emergency manager Carol Parks in front of screens showing live traffic on Interstate 405 at the City of Los Angeles Emergency Operations Center on September 28, 2012 in Los Angeles, California. The Mullholand Bridge Demolition Part II, also known as ''Carmageddon II,'' will shut down of a 10-mile stretch of the 405 Freeway between the 10 and 101 Freeways for 53 hours as construction workers tear down the remaining part of the Mullholand bridge as part of a transportation project to widen the freeway. (Getty Images)
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A Los Angeles traffic officer assists a driver at the road closure where construction crews are demolishing a portion of the Mulholland Drive bridge that spans the 405 Freeway September 29, 2012 in Los Angeles, California. The 405 Freeway is completely shut down for a 10 mile stretch this weekend for the demolition that is part of a larger $1-billion freeway improvement project. (Getty Images)
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Construction crews continue to demolish a portion of the Mulholland Drive bridge above the 405 Freeway on September 29, 2012 in Los Angeles, California. The Mullholand Bridge Demolition Part II, also known as ''Carmageddon II,'' will shut down of a 10-mile stretch of the 405 Freeway between the 10 and 101 Freeways for 53 hours as construction workers tear down the remaining part of the Mullholand bridge as part of a transportation project to widen the freeway. (Getty Images)