I think this was two winters ago. They floated, sometimes would briefly hold position. Third time in the past decade I encountered them.
I pulled to the side of the road. Nobody else pulled over or noticed. Encounter lasted maybe 5 minutes. I honestly don't remember.
https://files.catbox.moe/05tysy.jpg
From the photos alone it's also hard to rule out distant airplanes with their bright forward landing lights on. When planes are flying towards you they appear to move very slowly and at a distance they appear as single bright orange/yellow glowing spots. Take this example showing 3 airplanes a few miles away:
https://i.imgur.com/vVB6Cf0.png
They could also be drones or helicopters with bright spotlights on. Hard to say with this.