Seven people were hurt, including one critically, in a crash Saturday that closed Kamehameha Highway in both directions near Wahiawa, authorities said.
Both lanes were reopened shortly before 6:30 p.m.
The crash happened about 12:50 p.m. near Kamehameha Highway and Plantation Road.
Honolulu Emergency Medical Services reported a 43-year-old man was taken to the hospital in critical condition. Six other patients were taken to a hospital in serious but stable condition. The victims were: a 36-year-old woman; five men, ages 25 to 35; and a 1-year-old boy.
Police closed Kamehameha in both directions between Paalaa Uka Pupukea Road and Kaukonahua Road to investigate.
Police initially said officers were investigating a crash involving three people in critical condition.