Missouri State Route 168 runs eat-west across Central Marion County. This is a scenic alternative to U.S. Rt. 61 between Palmyra, and Hannibal. MO St Rt 168 passes through the following towns in Marion County. Philadelphia Palmyra
Hannibal
MO St St Rt 168 is multi-plexed in Marion County. BUSN U.S. Rt. 61, at Palmyra.
MO St Rt 168 intersects the following highways in Marion County. Missouri Secondary State Route D, at Philadelphia. Missouri Secondary State Route Z, near Philadelphia. Missouri Secondary State Route OO, near Philadelphia. Missouri Secondary State Route A, near Palmyra. Missouri Secondary State Route C, near Palmyra. BUSN U.S. Rt. 61, at Palmyra.
A junction marker on NB BUSN U.S. Rt. 61. NB BUSN U.S. Rt. 61/EB MO St Rt 168 on the northside of Palmyra. A BGS on EB U.S. Rt. 24/NB U.S. Rt. 61. EB MO St Rt 168 east of Palmyra. EB MO St Rt 168 west of MO Sec St Rt JJ. EB MO St Rt 168 near Hannibal. EB MO St Rt 168 crossing a small creek north of Hannibal. EB MO St Rt 168 in Hannibal. The eastern end of MO St Rt 168 in Hannibal. A junction marker on NB U.S. Rt. 61. The eastern end marker.