An ambulance flipped onto its roof along the side of Interstate 5 Wednesday.
California Highway Patrol officers responded to the shoulder of northbound I-5 just south of Nobel at 6:40 p.m.
The ambulance was on its roof along the right shoulder of the highway.
There were no patients inside the ambulance at the time of the crash, CHP officers said.
No one was injured.
In May, a similar incident occurred with an ambulance.
EMTs were transporting a patient in the ambulance at approximately 4 a.m. when the vehicle rolled onto its side on Friars and Mission Gorge roads. The location of the crash was east of Interstate 15 and north of Interstate 8.
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One person suffered minor injuries.
In the May incident, the vehicle was being operated by the United Ambulance Company.