U.S. Federal Route 61 is a north-sout highway in Eastern Marion County. It runs along a four lane highway through the entire county. U.S. Rt. 61 passes through the following town in Marion County. Hannibal
Palmyra
U.S. Rt. 61 is multi-plexed in Marion County. BUSN U.S. Rt. 36, at Hannibal.
Branches of U.S. Rt. 61 in Marion County. NB U.S. Rt. 61 at the Marion/Ralls County Line. NB U.S. Rt. 61 near Huckleberry Park. NB U.S. Rt. 61 south of MO St Rt MM. A jucntion marker on WB BUSN U.S. Rt. 36. NB U.S. Rt. 61 south of I-72/U.S. Rt. 36/MO St Rt 110. A BGS on EB U.S. Rt. 36. A BGS on EB U.S. Rt. 36. A BGS on WB I-72/U.S. Rt. 36; NB BUSN U.S. Rt. 61. A junction marker on EB MO St Rt 168. NB U.S. Rt. 61 north of Hannibal. EB U.S. Rt. 24/NB U.S. Rt. 61 north of MO Sec St Rt F. A junction marker on NB BUSN U.S. Rt. 61/EB MO St Rt 168. A junction marker on NB BUSN U.S. Rt. 61/EB MO St Rt 168. EB U.S. Rt. 24/NB U.S. Rt. 61 north of Palmyra. EB U.S. Rt. 24/NB U.S. Rt. 61 near MO St Rt 6. A BGS on EB U.S. Rt. 24 /NB U.S. Rt. 61. A BGS on EB U.S. Rt. 24/NB U.S. Rt. 61. NB U.S. Rt. 61 north of U.S. Rt. 24.