However, the enforcement of traffic laws on private property is generally the responsibility of the property owner, not law enforcement. In most cases, the property owner would need to file a complaint or request law enforcement assistance if they observe a vehicle being operated unsafely on their property.
It's important to note that the laws regarding unsafe backing and the enforcement of traffic laws on private property can vary from state to state, so it is always a good idea to consult the specific laws and regulations for your jurisdiction.