Honolulu police closed Wilikina Drive in both directions after a crash Friday.
It happened at around 12:23 p.m. near McNair Gate.
According to emergency officials, a 52-year-old man was hospitalized in critical condition and later died.
He was later identified as Fel Feria of Mililani.
The road was reopened at around 3:30 p.m., however the closure brought traffic to a standstill through the area.
Traffic reportedly backed up to the H-2 Freeway, into Wahiawa and toward the North Shore.