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| Route No. 61- | From the United States-Canadian line to Grand Marais, Minnesota, St. Paul, Winona, LaCrosse, Wisconsin, Viroqua, Prairie du Chien, Dubuque, Iowa, Davenport, Burlington, Keokuk, Hannibal, Missouri, St. Louis, Fredericktown, Cape Giradeau, New Madrid, Blytheville, Arkansas, Marion, Memphis, Tennessee, Clarksville, Vicksburg, Natchez, Baton Rouge, Louisiana, New Orleans. |
| 62- | From Ashland, Kentucky, to Lexington, Frankfort, Louisville, West Point, Owensboro, Henderson, Paducah, Charleston, Missouri, Poplar Bluff, West Plains, Ozark |
| 63- | From Des Moines, Iowa, to Ottumwa, Lancaster, Missouri, Macon, Jefferson City, Rolla, West Plains, Powhatan, Arkansas, Jonesboro, Turrell. |
| 64- | From Conway, Arkansas, to Ft. Smith, Muskogee, Oklahoma, Tulsa, Pawnee, Enid, Perry, Buffalo, Guymon, Des Moines, New Mexico. |
| 65- | From St. Paul, Minnesota, to Faribault, Albert Lea, Mason City, Iowa, Iowa Falls, Ames, Des Moines, Osceola, Princeton, Missouri, Chillicothe, Waverly, Marshall, Sedalia, Springfield, Harrison, Arkansas, Clinton, Conway, Little Rock, Pine Bluff, McGehee, Tallulah, Louisiana, Vidalia. |
| 67- | From Fredericktown, Missouri, to Poplar Bluff, Pocahontas, Arkansas, Newport, Little Rock, Benton, Washington, Texarkana, Mt. Pleasant, Texas, Greenville, Dallas. |
| 69- | From Leon, Iowa, to Bethany, Missouri, Cameron, Excelsior Springs, Kansas City. |
| 70- | From Morehead City, North Carolina, to New Bern, Goldsboro, Raleigh, Greensboro, Salisbury, Asheville, Knoxville, Tennessee, Crossville, Nashville, Jackson, Memphis, Forrest City, Arkansas, Little Rock, Hot Springs, DeQueen, Hugo, Oklahoma, Durant, Ardmore, Wichita Falls, Texas, Crowell, Plain View, Farwell, Clovis, New Mexico, Ft. Sumner, Socorro, Springerville, Arizona, Holbrook. |
