I witnessed a craft in extremely close proximity.

I saw what I first assumed to be a bright light from a search helicopter. As it made its way behind the sparse treeline it dimmed its light (not simply shut it off as a normal searchlight would, but slowly dimmed). As it made its way from behind the treeline, I saw the craft almost casually flying parallel to the road near my home. Looking at the craft head on it would have appeared to look like a plus sign, but as it flew past and I was able to see it's side profile it appeared to take on a shape more similar to a nerf football. A car drove under the craft, and I could see in my peripheral vision that they had hit their breaks, then I heard their engine rev and they sped off (so there is a least one more witness, but I have had no interaction with them). The craft traveled at what seemed to be a relaxed pace, was roughly 25 ft in the air, and was approximately 2.5x the size of a Dodge Ram (I inaccurately said Dodge Charger in my conversation on the hotline because I was flustered and am not incredibly familiar with car or truck models, but I had intended to referencethe large trucks). There were no lights that I could see attached to the craft, so I am left to assume it generated it's own light. It was silver in color.