Road Cycling Cyclists enjoy very little road traffic as they experience a different way to see our historic communities when they tour under the big Aroostook sky and through a rolling landscape along our waterways. From the boreal forests and rocky lakes of the St. John Valley to the fields and farms that form nature’s patchwork in central and southern Aroostook, bicyclists discover a breath-taking view at every turn. US Bike Route 501 – USBR 501 is the federally designated bike route that connects Bangor, Maine to the Allagash known for it’s unforgettable views showcasing the very best of inland Maine.