Is it legal for a driver to leave vehicle unoccupied with the ignition on but in park any length of time?

The legality of leaving a vehicle unoccupied with the ignition on and in park varies from state to state, and even from city to city. In general, it is not advisable to leave a vehicle unattended with the engine running, as it could be considered a violation of the law. However, some jurisdictions may allow for this in certain circumstances, such as when the vehicle is in a parking lot or other designated area.

It is important to note that leaving a vehicle unattended with the engine running can be a safety hazard, as it increases the risk of theft, carbon monoxide poisoning, or even a fire. Additionally, it is often considered a violation of traffic laws, as it could obstruct traffic or pose a danger to other drivers.

For these reasons, it is best to avoid leaving a vehicle unoccupied with the ignition on, even if it is in park. If you must leave your vehicle unattended, it is recommended to turn off the engine and lock the doors to ensure the safety of your vehicle and others.