It happened around 1 a.m. Wednesday at the intersection of Stenton Avenue and Vernon Road.
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Authorities said the officer and another driver collided at the scene.
The impact caused the officer's car to jump the curb before coming to a stop on a lawn.
The other car ended up about a half block away.
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The officer was taken to the hospital in stable condition.
The driver of the other vehicle was being checked for injuries.
The crash is under investigation.