I was heading south on 4 today between Dunkirk and Huntingtown. It was relatively crowded on the road and I am doing maybe 60 when I noticed a bike less than a bike length from my bumper. The rider appeared to be annoyed at all the traffic. He sat on his bike posing with a hand on his leg. Then all of the sudden he bolts down the center of the road on the dotted line at better than 80. He passed about 5 pairs of cars like that. His buddy decided to use the shoulder to pass.