Motorcycle fatality clogs northbound 405 traffic

A SigAlert was lifted on the 405 Freeway just before 11 p.m. after a fatal rush-hour motorcycle accident snarled traffic for more than 3 1/2 hours.

Traffic on the northbound 405 freeway south of Sunset Boulevard was down to a single lane after the 6:14 p.m. accident, and traffic piled up back to the Marina Freeway, said Officer Anthony Martin of the California Highway Patrol.

"They were trying to funnel as much traffic as they could into that lane, but there was a quite a bit of congestion," Martin said.

The motorcyclist, who was not identified, appeared to be the only one injured, Martin said.

The cause of the crash is under investigation, he added.

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