Location: I-29 at the Iowa State Line, Atchison Cty Welcome to the Show-Me State! Location: I-29 and Route A, Atchison Cty Junction Supplemental Routes A and B coming up- these are secondary type state highways that litter the state- giving Missouri one of the larger systems in the country Location: I-29 and Route A, Atchison … Continue reading Interstate 29, IA State Line to US-136