Missouri Secondary State Route B is one of the main north-south highways in Southwestern Warren County. It runs from Interstate 70/U.S. Rt. 40/Missouri Secondary State Route A, near Pendleton, south to Missouri State Route 94, near Berger. MO Sec St Rt B passes through the following town in Warren County. Pendleton MO Sec St Rt B is not multi-plexed in Warren County. MO Sec St Rt B intersects the following highways in Warren County. Interstate 70, near Pendleton. U.S. Rt. 40, near Pendleton. Missouri Secondary State Route A, near Pendleton. Missouri Secondary State Route EE, near Pendleton. Missouri State Route 94, near Berger.