Missouri State Route 141 is a north-south highway in Northern Jefferson County. This runs from U.S. Rt. 61/67 in Arnold, to the Jefferson/St. Louis County Line, near Fenton. MO St Rt 141 passes through the following town in Jefferson County. Arnold
MO St Rt 141 is not multi-plexed in Jefferson County. MO St Rt 141 intersects the following highways in Jefferson County. U.S. Rt. 61, at Arnold. U.S. Rt. 67, at Arnold.
A BGS on NB I-55. A BGS on SB I-55. A BGS on NB I-55. SB MO St Rt 141 at I-55. NB MO St Rt 141 south of I-55. NB MO St Rt 141 at Missouri State Road. NB MO St Rt 141 north of Missouri State Road. NB MO St Rt 141 at Cecos Lane, near Arnold. NB MO St Rt 141 at MO St Rt 21. A BGS on SB MO St Rt 21. NB MO St Rt 141 north of MO St Rt 21. NB MO St Rt 141 south of Fiedler Lane. NB MO St Rt 141 north of Fiedler Lane. NB MO St Rt 141 near Winding Bluffs Drive.
