Omaha boasts more than of trails for pedestrians, bicyclists and hikers. The bridge includes accommodations for pedestrians and bicyclists. People engaged in cycling are referred to as "cyclists", "bicyclists", or "bikers". The George Washington Bridge contains two sidewalks that can be used by pedestrians and bicyclists. Education for adult cyclists is available from organizations such as the League of American Bicyclists. Coal rolling may also be directed at bicyclists, protesters, and pedestrians. This trail is accessible to bicyclists and hikers. There are of trails available for hikers and bicyclists. Albany has many paths and trails open to both pedestrian and bicyclists. Its towpath is popular with runners, hikers, and bicyclists. Recreational bicyclists are accommodated on the ferries. Many cycling clubs hold organized rides in which bicyclists of all levels participate. Advocates for improved roads led by bicyclists turned local agitation into a national political movement. Indianapolis is designated a "Bronze Level" Bicycle Friendly Community by the League of American Bicyclists. In 2006 Flagstaff was designated a Bicycle-Friendly Community by the League of American Bicyclists.