Boulder, Colorado, has a relatively small number of cameras compared to other US cities, but residents say it's still too many.
The lawsuit claims that Flock Safety's cameras create a 'dragnet' capable of revealing personal details about drivers.
Residents argue that the technology is used without probable cause, judicial oversight, or meaningful privacy protections.
Flock Safety has defended its cameras as helping to reduce crime and recover stolen vehicles.
However, critics say that the benefits do not outweigh the risks of misuse and potential invasion of privacy.
The plaintiffs are seeking unspecified monetary damages and a court order to stop the warrantless use of automated license plate readers.
Automated license plate readers have become increasingly common in US cities, with some having hundreds of cameras.
The case raises questions about the balance between public safety and individual privacy rights.
Boulder residents are taking a stand against what they see as an overreach by the police department.
The lawsuit is likely to spark debate about the use of surveillance technologies in law enforcement.
The case highlights the need for clear guidelines on automated surveillance technologies.
