U.S. Federal Route 67 briefly through Eastern St. Charles County. It crosses a narrow strip a land between the Missouri River and Mississippi River. This is the northern most county that is passes thorugh in Missouri. U.S. Rt. 67 passes through the following town in St. Charles County. West Alton
U.S. Rt. 67 is not multi-plexed in St. Charles County. U.S. Rt. 67 intersects the following highway in St. Charles County. Missouri State Route 94, at West Alton.
NB U.S. Rt. 67 at the St. Charles/St. Louis County Line. NB U.S. Rt. 67 north of the St. Charles/St. Louis County Line. SB U.S. Rt. 67 in West Alton. NB U.S. Rt. 67 near the Missouri/Illinois State Line. NB U.S. Rt. 67 on the Missouri side of the Clark Bridge. NB U.S. Rt. 67 crossing the Clark Bridge.
