ANTIOCH -- A woman who died after colliding with a truck while riding her bicycle early Friday morning was identified Friday as 34-year-old Valerie Rayann Joaquin of Antioch.
Joaquin was riding her bike about 5:20 a.m. when a man driving a Dodge pickup truck westbound on E. 18th Street struck her near the intersection with St. Claire Drive, about a block from Cornerstone Christian School, police said.
The truck driver called 911 and stayed at the scene, police said.
The woman was flown by helicopter to John Muir Medical Center in Walnut Creek, where she later died, police said.
The driver of the truck cooperated with police and did not appear to be under the influence of drugs or alcohol, investigators said.
Anyone who witnessed the crash or has any information is asked to call Officer Robert Solari at 925-779-6900, extension 82372, or the general police line at 925-778-2441.