What is the rule regarding idling in a Sallyport?

• A. Vehicles may idle for brief warm-up.
• B. Vehicles should idle only during shift changes.
• C. Vehicles may idle if the driver is present.
• D. Vehicles shall not be left idling in a Sallyport.

Answer: (D)

When you’re in a Sallyport, the rule is that vehicles must not be left idling. The space is enclosed and designed for controlled entry, so idling can let exhaust accumulate and create a carbon monoxide risk for anyone passing through, while also wasting fuel and producing unnecessary emissions. That’s why the policy is strict: vehicles shall not be left idling in a Sallyport. If warming up is needed, do so with the engine off when possible or address the situation in a ventilated area, rather than idling in the Sallyport. The other scenarios—allowing brief warm-ups, idle only during shift changes, or idle if the driver is present—would undermine safety and environmental controls, so they don’t fit the rule for Sallyports.