Idling - Pennsylvania

Pennsylvania’s idling limits apply to a diesel-powered motor vehicle with a gross weight of 10,001 pounds or more engaged in commerce.

A vehicle may idle for up to 15 mins. in any continuous 60-min. period when necessary for active loading/unloading, sampling, or weighing.

There are also exceptions for:

• Traffic conditions;
• Operation of defrosters, heaters, air conditioners, or cargo refrigeration equipment to prevent a safety or health emergency;
• Emergency vehicles;
• Vehicle maintenance or repair;
• Vehicle inspection;
• Powering work-related mechanical, safety, or electrical operations;
• Armored vehicles when a person remains inside to guard contents or while loading/unloading;
• Vehicles involved in solid waste or recyclable collection.