(KRON) -- Authorities in Alamo responded Wednesday to a fatal crash involving a woman riding a bicycle and a vehicle, according to California Highway Patrol. At around 11:12 a.m., California Highway Patrol and emergency services responded to Livorna Road under the Interstate 680 overpass on a report of a collision involving a bicyclist and a vehicle. Car flips over in SF’s St. Francis Wood neighborhood A man in a Toyota bZ3X was parked alongside the right shoulder of westbound Livorna Road when he drove the vehicle into the roadway, CHP said, crashing into an oncoming bicyclist who was also traveling westbound. The woman on the bicycle sustained fatal injuries in the crash and was pronounced deceased at the scene, CHP said. The Toyota's driver was not injured. Anyone who witnessed the crash is asked to contact the California Highway Patrol Contra Costa division at (925)-646-4980 or email contact information to [email protected]. Motorists near the area of Livorna Road were advised to use alternative routes. The roadway was reopened just before 1:30 p.m.