Honolulu police reopened the H-1 freeway in the Ewa direction near the Waipahu exit after a multiple-vehicle crash that seriously injured 2 people.
Traffic cameras showed the freeway reopening just before 9 a.m., after the vehicles involved in the crash were cleared from the scene.
The accident happened at about 7:30 a.m.
Paramedics took two people, a 48-year-old man and a 27-year-old woman, to a hospital in serious condition, according to Emergency Medical Services. Three people refused treatment.
An EMS report said the man was in a vehicle that overturned on the freeway after being rear-ended. He suffered a neck injury. The woman, who was in the vehicle that rearended the other vehicle, suffered injuries to her face, the report said. Both patients wore seatbelts, EMS said.
Traffic cameras showed the freeway backup extending back to the Moanalua Freeway.