Research shows that wearing your mask, and opening the front passenger window, and the window behind the driver seat helps to reduce the spread of the novel coronavirus in your vehicle. See this NY Times article.
I have one smallish box of glassware from my mother's estate going to my sister. It's not valuable; only sentimental. I'm looking for someone driving to Cranbrook to take it with them, if possible. So....no passenger, just a package.
I have no set time when this is needed.