An overnight crash involving multiple big rigs shut down the southbound lanes of the Long Beach (710) Freeway at the San Diego (405) Freeway for several hours, authorities said.

The collision, which reportedly happened at about 12:30AM on Wednesday, Aug. 24 at the Willow Street exit, involved at least three big rigs, according to California Highway Patrol (CHP) Officer Francisco Villalobos.

12:46 AM SIGALERT IN LONG BEACH: SB I-710 AT I-405 ALL TRAFFIC DIVERTED ONTO I-405 FWY UNTIL FURTHER NOTICE DUE TO A COLLISION AT WILLOW ST

— CHP PIO – LA County (@CHPsouthern) August 24, 2016

Two trapped motorists, one in critical condition and the other in serious condition, were rescued and taken to nearby hospitals, he said.

All southbound lanes were closed until about 7:20AM while crews worked to clear the scene, the CHP reported.

SIGALERT CANCELLATION IN LONG BEACH: S/B I-710 AT I-405 ALL LANES OPEN

— CHP PIO – LA County (@CHPsouthern) August 24, 2016

Authorities are investigating the cause of the crash.

City News Service contributed to this report.

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