With the amount of snow and crud left on the side of the roads in Denver right now, drivers likely perceive the road as narrower and you as taking up more space on it. Even if they have a lane to pass, it doesn't mean they want to. My neighborhood, which gets no snow treatment unless we get over 6 inches at once, is still only wide enough for one car to safely drive. Hopefully the rest of this stuff will melt tomorrow.

I'm honestly surprised you didn't end up drenched on top of what they did. I completely soaked some poor guy waiting for a bus when I drove by in my car b/c of the amount of snow that melted today.