It happened around 1 p.m. on Aug. 16.
Police say the driver of a Toyota Corolla was headed southbound on Route 130 near Melrich Road in South Brunswick and then left the roadway.
The car then struck a berm on the property of the Wendy's located at 2533 Route 130 and became airborne.
The vehicle soared through the parking lot, striking a 2017 Audi that was waiting in the drive-thru lane.
Both vehicles were pushed into the building and outside tables.
Police say a family dining outside was nearly struck.
Police released surveillance video of the incident on Thursday.
The force of the impact shattered the restaurant windows, sending glass throughout the inside of the Wendy's.
Police say, despite the fast-food restaurant being crowded with customers and staff, no one inside the Wendy's was injured.
The Monmouth Junction Fire Department arrived to the scene and stabilized the Toyota before freeing the driver.
Medics transported the driver to the hospital in stable condition.
A child who was a passenger in the Audi complained of pain and was taken by family members to an area hospital, police say.
"This is nothing short of a miracle that no one was seriously injured or killed in this crash," South Brunswick Chief Raymond Hayducka said. "To think it was the middle of the day, people were eating both inside and outside and none of them were injured. The building was damaged to the point it can't be used but everyone eating was able to walk away."
The South Brunswick Building Department ruled the Wendy's needed to be closed pending a detailed examination.
Though police are continuing to investigate, they believe the driver of the Toyota may have suffered a medical episode prior to the crash.
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