Talk:List of state highways in Missouri

Some history
It appears that the "park connections and traffic relief routes" are from 1929:
 * Route 11, Bucklin to Kirksville
 * Route 19, Thayer to Hannibal (formerly Route 19 south of Cuba, Route 45 from Drake to Martinsburg, and Route 54A in Ralls County)
 * Route 21, De Soto to House Springs
 * Route 35, Clinton to Gashland
 * Route 39, Mt. Vernon to Pennsboro
 * Route 45, Parkville to East Atchison
 * Route 51, Fisk to Claryville (formerly Route 51A south of Dongola)
 * Route 55, Morley to Dutchtown
 * Route 73, ??
 * Route 75, ??
 * Route 77, St. Louis bypass
 * Route 79, Winfield to Louisiana (resulted in the deletion of Route 56)
 * Route 81, Kahoka to Iowa (formerly Route 4B)
 * Route 83, Wheatland to Harper
 * Route 85, Evona to Albany
 * Route 87, California to Prairie Home
 * Route 89, Linn to Chamois
 * Route 91, Advance to Dongola (formerly part of Route 51)
 * Route 93, Campbell to Arkansas
 * Route 95, Long Run to Wasola (formerly Route 5A)
 * Route 97, Wheaton to Pioneer
 * Route 99, St. Louis to West Alton
 * Route 101, Sam A. Baker Park
 * Route 103, Big Spring Park
 * Route 105, Le Prairie to Anniston
 * Route 107, Mark Twain Park
 * Route 109, ??
 * Route 111, Bigelow to Mound City (formerly Route 1C)
 * Route 113, Mound City to Skidmore (formerly Route 1D)
 * Route 115, ??
 * Route 117, Indian Trail Park
 * Route 119, Montauk Park
 * Route 121, Wallace Park?


 * Route 6, Lewistown to Taylor
 * Route 10, Liberty to Excelsior Springs
 * Route 38N, Neosho to Carthage
 * Route 46, Ravenwood to Sheridan
 * Route 56, Shelbyville to Palmyra (formerly Route 9A in Marion County)
 * Route 64, Eldorado Springs to Lebanon
 * Route 72, Rolla to Salem
 * Route 96, Lewistown to Canton (formerly Route 6)
 * Route 100, Washington to New Haven
 * Route 102, Nebraska to Rockport (formerly Route 1A)
 * Route 104, Summersville to Eminence
 * Route 106, Deer Run Park
 * Route 108, Arkansas to Cardwell
 * Route 110, De Soto to Olympian Village
 * Route 112, Cassville to Eagle Rock
 * Route 114, Meramec Park
 * Route 116, Plattsburg to Converse (formerly Route 33A)
 * Route 118, Nebraska to Oregon (formerly Route 1F)
 * Route 120, Oregon to Newpoint (formerly Route 1E)
 * Route 122, Van Meter Park?


 * Carthage bypass
 * Hannibal bypass (US 24)
 * Wentzville to St. Louis
 * Gray Summit to St. Louis (US 66)
 * Kansas City to Blue Springs
 * Ellisville to Chesterfield

This is the highest number I can find per year:
 * Even
 * 1922-1928?: 98
 * Where was the original 100?
 * 1930-1935?: 120?
 * 1952 goes up to 156
 * also has 240, 340
 * 1957: 168 and 170 were formed
 * 1980: 190 was formed


 * Odd
 * 1922-1928?: 71
 * Where were the original 73 and 75?
 * 1930-1935?: 119?
 * 1952 goes up to 153
 * 1959: 161 was formed
 * 1967: 185 was formed

--NE2 10:52, 24 October 2007 (UTC)