What is the limit for idling a truck?

Generally 5 minutes is the maximum allowable for all vehicles, cars, buses, and trucks. Exceptions include emergencies and, for diesel trucks, if the ambient air temperature is below 25°F and the truck will be sitting for more than 2 hours.

Other exceptions can be found in the resources below.

• NYSDEC Heavy Duty Vehicle Idling Laws
• NYS Attorney General pamphlet: IDLING TRUCKS AND BUSES
• 6 CRR-NY 217-3.3 Idling Prohibition for Heavy Duty Vehicles—Exceptions

December 2015