Wrong country on the legal rights link , this story is from Canada.
...cyclists may ride two up only if they are not impeding traffic. Three states–Massachusetts, New York and Virginia–specifically require cyclists to roll single file when being overtaken by a passing vehicle.
Makes my point. Bikeists are for the most part irresponsible and act like the roads are for bikes with autos being the trespassers. They ride two, three even four abreast and dare autos to pass. The only bikeists for whom I have even the slightest respect are the ones who ride single file at the side of the road and yield the right of way to autos.