A serious crash between a vehicle and a bicycle closed Route 80 in Killingworth Saturday afternoon.
The crash happened around 12:15 p.m. on Route 80 near Hemlock Drive, according to state police.
State police said the bicyclist turned into a car as it was passing.
The victim, a 78-year-old Killingworth woman, sustained serious head injuries in the collision, according to state police. She was initially transported by Deep River EMS before LifeStar transported her to Hartford Hospital.
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Route 80 reopened a few hours later.
The crash is still under investigation.