Honolulu police closed the H-2 Freeway northbound at the Meheula Parkway Overpass around 6 p.m. Thursday.
Officers say they it is for an ongoing police investigation.
Traffic was diverted to the Mililani Mauka off-ramp at this location.
Police were able to reopen all lanes at 8:30 p.m.
Later, police say a 75-year-old man fell from the Meheula Parkway overpass and landed on the H-2 Freeway. He died at the scene.
Police are investigating this case as an unattended death.
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