A pilot program in Frankfurt utilizing ten city buses equipped with cameras has identified 421 instances of illegal parking. The buses photograph vehicles parked in prohibited zones during their regular routes. Authorities will now expand the program by fitting additional buses with the same technology. The initiative aims to improve traffic flow and enforce parking regulations more effectively. Officials report the project has been successful, and the neighboring city of Wiesbaden is also viewing it favorably. The collected evidence is being used for issuing parking tickets to the vehicle owners. This represents a novel approach to parking enforcement using existing public transportation infrastructure.