When I was able to pause the video at the right point I found out my hunch was right. It is a Maine turnpike sign, in fact, it's the sign for the Wells/Sanford exit.
Why did I not think of this?! Put the donut through my straw. It is now so obvious that the doughnuts hole is designed for traveling with an iced coffee! If you love this hack then you will love the latest deal from Dunkin', any size iced coffee is just $2 dollars from 2-6 pm.