Carpool lane blocked on southbound 405 Freeway in Sepulveda Pass

A SigAlert was issued Tuesday morning for the southbound 405 Freeway north of Sunset Boulevard.

A three-car crash about 6:30 a.m. blocked all southbound lanes temporarily, creating a traffic jam through the Sepulveda Pass and back to the 101 freeway, a California Highway Patrol official said.

Crews eventually cleared all but the carpool lane, which remained blocked as of 7 a.m.

A SigAlert would be in effect through at least 7:15 a.m., officials said.

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