Around 1,000 cars poured into a Burbank, Calif., parking lot as part of a “flash mob” that was organized via social media.
The Los Angeles Times reported that around two dozen police officers were assigned to control crowds, but traffic was snarled along the Interstate 5 corridor.
A number of the cars were customized muscle cars and rare vehicles.
Officials also warned people to stay away from the area.
The Times estimated that more than 3,000 people took part in the incident.
Police said that it was mostly peaceful. “I’ve seen families out here with their kids looking at the cars,” Burbank Police Sgt. Darin Ryburn told the paper.
“We’re not here to cause a problem, do burn-outs or cause a scene, we’re just here to relax and see all the cars,” participant Zach Lamb said.
Participant and car owner Ricardo Manriquez told NBC Los Angeles that the size of the flash mob was startling.
“It’s real big,” he told the station. “I never thought it would be this huge whatsoever.”
It was held in the parking near a Krispy Kreme, and it was called “Krispy Kreme Tuesday.”
According to the Los Angeles Daily News, at least 100 citations were handed out.
There was a similar event held in November.