Highway 282 was authorized on July 1, 1949.
Highway 111 was authorized on April 22, 1933.
Highway 224 was authorized on July 1, 1949 and paved by 1953.
Highway 68 was authorized in 1920 between Canby and Marshall.
Highway 336 was authorized on June 4, 1991.
Highway 39 was authorized on April 12, 1943.
Highway 109 was authorized in 1933 between Alden and Wells.
Highway 317 was authorized on April 24, 1959.
Highway 280 was authorized on July 1, 1949, but did not begin construction until 1955.
Highway 249 was authorized on July 1, 1949 and removed in 1989.