Missouri State Route 180 is a east-west highway in Northwestern St. Louis County. This runs from Interstate 270 to the St. Louis City Limits. It has one spur near University City. MO St Rt 180 passes through the following towns in St. Louis County. Bridgeton
St. Ann Breckenridge Hills
St. John
Charlack
Bel-Nor Greendale
Pagedale
Wellston MO St Rt 180 is not multi-plexed in St. Louis County. MO St Rt 180 intersects the following highways in St. Louis County. Interstate 270, at Bridgeton. Missouri Secondary State Route B, at Bridgeton.
Branches of MO St Rt 180 in St. Louis County. A BGS on NB I-270. A BGS on NB I-270. WB MO St Rt 180 west of I-70. EB MO St Rt 180 at I-70. A BGS on EB I-70. A BGS on WB I-70. A BGS on WB I-70. A BGS on NB U.S. Rt. 67. A junction marker on NB U.S. Rt. 67. A BGS on SB I-170. WB MO St Rt 180 in Greendale. WB MO St Rt 180 in Pagedale. WB MO St Rt 180 the St. Louis City Limits.