I was driving on Empire Rd east to west at about 7:50pm in Lafayette Colorado and i saw a strange object with green lights and one red/orange light flying slowly from my right to my left in the distance (short). It was flying at a very low elevation close to the rooftops of the houses. It then changed direction and came straight towards me. I thought it was going to crash into me but at the last second it ascended and flew over my car. Very frightening situation. No other cars were on the road at the time.