Missouri Secondary State Route JJ St. Louis County
Missouri Secondary State Route JJ runs north-south in St. Louis County. It runs along Ballas Road. Details on MO Sec St Rt JJ are not avalible on the Missouri State Highway Map or Rand McNally-St. Louis & Vicinity Map.
A BGS WB I-64/U.S. Rt. 40; NB U.S. Rt. 40. A junction marker on EB MO St Rt 100.
