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A Fremont woman was killed Sunday after her car crashed through an Interstate 680 construction project above East Calaveras Boulevard in Milpitas, the California Highway Patrol reported.

At 12:13 p.m., the victim, identified as 35-year-old Laequlana Marie Hanzy, was driving a red 2000 Pontiac Grand Am that apparently veered off southbound I-680 into the center divide, traveled off the freeway and plummeted through an active construction zone.

"She flipped over onto her roof in between the freeways and onto East Calaveras Boulevard," CHP Officer Brandie Dressel said.

She said the car came to rest within the westbound lanes of East Calaveras Boulevard.

"When emergency personnel arrived the victim was pronounced dead at the scene," Dressel said.

CHP reports indicate that witnesses tailing the victim's vehicle on the freeway prior to the crash stated traffic on I-680 was light, no debris was in the roadway and no other cars cut the victim off.

"Witnesses said she just drifted to the left, off the freeway," Dressel said.

Following the crash, Milpitas Police Department assisted CHP in blocking off the westbound lanes of East Calaveras Boulevard from South Park Victoria Drive to the northbound I-680 onramp.

"The lanes were reopened at 4 p.m.," Milpitas police Lt. Henry Kwong said.

CHP investigators continue to seek witnesses. Anyone with information about this collision is asked to call the CHP San Jose Office at 467-5354.