U.S. 71 from Kansas City to Joplin to become Interstate 49

Tuesday, September 4, 2012 | 10:09 a.m. CDT; updated 2:43 p.m. CDT, Tuesday, September 4, 2012

JOPLIN — A 180-mile stretch of U.S. 71 from south Kansas City to Joplin will officially become Interstate 49 on Dec. 12, much to the delight of transportation officials and cities and towns along the route.