Missouri Secondary State Route B is a north-south highway in Eastern Boone County. It runs from the northside of Columbia to Hallsville. MO Sec St Rt B passes through the following towns in Boone County. Columbia
Browns Station Hallsville
MO Sec St Rt B is not multi-plexed in Boone County. MO Sec St Rt B crosses the following highways in Boone County. BUSN Loop I-70, at Columbia.