New documents released by the City of Columbus show money was a motivator in the creation of the city's red light camera program.
Supporters of red light cameras are mobilizing opposition against a ban on the technology.
A Franklin County judge is being asked to shut down Columbus' traffic enforcement cameras.
Columbus is one of 13 Ohio cities and villages that use cameras to catch speeders or motorists who run red lights.
The city of Columbus collected 2.1 million dollars in fines from its red light camera program last year.