1915. 2020-12-18T18:58:35Z. 2020-12-18T19:05:18Z. National Highways Association, issuing body. National Highways Association. English. cartographic image. Public. United States, Washington (State), Idaho, Montana, North Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York (State), Boston (Mass.), New York (N.Y.), Seattle (Wash.), Chicago (Ill.), Massachusetts, Idaho., Illinois., Chicago., Indiana., Massachusetts., Boston., Minnesota., Montana., New York., North Dakota., Ohio., Pennsylvania., United States., Seattle., and Wisconsin.