O'ahu recorded its third pedestrian traffic death in less than 48 hours last night when a man was hit by a truck near the Kahuku Sugar Mill.

The collision fronting the sugar mill at 56-565 Kamehameha Highway was reported at 7:04 p.m. and prompted the closure of Kamehameha Highway's Hale'iwa-bound lanes from Mill to Pualalei streets. Traffic was detoured onto a private access road parallel to Kamehameha Highway.

The pedestrian, in his 60s, died at the scene. No other injuries were reported.

The death was O'ahu's 65th traffic fatality of the year and came during a deadly weekend for pedestrians.

At about 5:30 a.m. Saturday, Ok Nam Lee was crossing Ala Moana Boulevard west of Atkinson Drive when she was struck by a car driven by an off-duty police officer. Lee, 73, died at The Queen's Medical Center at 6:30 a.m.

At 11:30 a.m. Saturday, Patricia "Patty" Adams of Kailua died at Queen's of injuries she suffered the night before.

Adams, 51, was critically injured Friday night when she was hit by a Jeep driven by a 44-year-old woman from Waimanalo. Adams was crossing Kalaniana'ole Highway in an area of Kailua known as The Bluffs near Kanapu'u Drive.

Two others critically injured in Friday traffic incidents —a 17-year-old moped rider in Wai'anae and a motorist, 29, involved in a head-on collision on Vineyard Boulevard at Nu'uanu Avenue — remained hospitalized at Queen's, police said.

Adams' death left a lot of unanswered questions for her grieving family.

Her daughter, professional model Leilani Bush, said her mother decided for unknown reasons to leave her Kainalu Drive home to go to Waimanalo to spend the night with Bush and her brother, Keoni Bush. Adams left several telephone messages for her daughter and son, who were not at home, indicating she was taking a cab to Waimanalo.

On one phone message, her mother can be heard yelling at the taxi driver after he apparently let her off at The Bluffs area near Kanapu'u Drive because she was not carrying money, Bush said. Adams, who was wearing pajamas, was struck by the Jeep while crossing the highway at 9:27 p.m.

"There's a lot of unanswered questions," Leilani Bush said yesterday. "Nobody can figure out why she would be catching a cab supposedly dressed in pajamas. There was a witness, who called 911, and my mom told her something but we don't know what it was.

"She was dropped off at The Bluffs, which is a dark area," Bush said. "The whole story is odd."

Adams was about two feet from making it across the highway when she was struck, Bush said.

"Things were looking good at the hospital ... (Friday) night and then she died of cardiac arrest," said Bush, whose father, Gaylon Bush, died in 1997 when he fell and hit his head while dancing at his 25th year Kailua High School class reunion.

Bush said her mother and father were classmates at Kailua High.

The Honolulu Police Department's Internal Affairs Division, meanwhile, is overseeing the negligent-homicide investigation into Lee's death on Ala Moana. The driver, 52, an officer with the Criminal Investigation Division, was reassigned to administrative duties.

Autopsies are scheduled to be performed today on Adams and Lee.

Reach Rod Ohira at rohira@honoluluadvertiser.com.