Route 180
MO 180 highlighted in red
Route information
Maintained by MoDOT
Length	13.895 mi[1] (22.362 km)
Major junctions
West end	Pennridge Drive in Bridgeton
Major intersections	I-270 in Bridgeton I-70 in Bridgeton I-170 in Charlack
East end	Route D in St. Louis
Location
Country	United States
State	Missouri
Counties	St. Louis
Highway system
Missouri State Highway System Interstate US State Supplemental
← Route 179 → Route 181

Route 180 is a highway in the St. Louis, Missouri area. Its western terminus is at Interstate 270 (I-270) in Bridgeton, running east into the western neighborhoods of St. Louis to its eastern terminus at Kingshighway Boulevard, the border of the St. Louis neighborhoods of Kingsway West and Kingsway East.

Route description

Route 180 is co-signed with Dr. Martin Luther King Drive, where the Drive (which originates farther east, where the Martin Luther King Bridge crosses the Mississippi River into central St. Louis) continues through to join Route 180's eastern terminus at Kingshighway Boulevard, in St. Louis. Route 180 is co-signed with Dr. Martin Luther King Drive, as both travel east, until it crosses the border between the cities of Wellston (to the east) and Pagedale, at a T intersection with Lucas-Hunt Road, where Route 180 becomes co-signed with St. Charles Rock Road through Pagedale and continuing west.

History

Major intersections

County	Location	mi[1]	km	Destinations	Notes
St. Louis	Bridgeton	0.000	0.000	Pennridge Drive	Western terminus
		0.137	0.220	I-270 to I-70	Exit 20A on I-270
		0.258	0.415	Route B east (Natural Bridge Road)	Western terminus of Route B
		1.645	2.647	I-70 – Wentzville, St. Louis	Exit 234 on I-70
		2.495	4.015	US 67 (Lindbergh Boulevard)	Interchange
	Charlack	6.417	10.327	I-170	Exit 5 on I-170
	Pagedale	8.287	13.337	Route 180 Spur south (Pennsylvania Avenue)	Northern terminus of Route 180 Spur
	Wellston	9.341	15.033	Route U north (Lucas–Hunt Road)	Southern terminus of Route U
City of St. Louis		11.540	18.572	Kingshighway Boulevard
		13.895	22.362	Route D (Page Avenue / Dr. Martin Luther King Jr. Boulevard)	Eastern terminus; Dr. MLK Jr. Boulevard continues east as Route D
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Auxiliary route

Route 180 Spur, also known as Pennsylvania Avenue, starts at an intersection with Route 180 and proceeds south to terminate at Route D (Page Avenue) in Pagedale.