Route 866 may refer to: Canada Highway 866 Israel Route 866 (Israel) United States PA 866 FM 866 Territories Puerto Rico Highway 866 Preceded by865 Lists of highways866 Succeeded by867 This article includes a list of roads, streets, highways, or other routes that are associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.