Interstate 170
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- An I-170 used to exist in Baltimore, Maryland.
Interstate 170 (abbreviated I-170) is the designation for an interstate route in the St. Louis, Missouri metropolitan area. I-170, also known as the Inner Belt Expressway, is a 11.17 mile highway traveling north-south through the St. Louis suburbs of Hazelwood, Berkeley, St. John, Overland, University City, and Clayton.
I-170 connects to Interstate 270 at its northern terminus and Interstate 64 at its southern terminus; at Exits 7A and 7B, I-170 crosses its parent, I-70. Interstate 170 also provides access to Lambert-St. Louis International Airport.
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Interchanges from south to north
County | Municipality | Exit | Notes | |
---|---|---|---|---|
Exit number | Intersecting Road(s) | |||
St. Louis | Brentwood | 0* | Eager Rd.; Brentwood Blvd. | Terminus |
St. Louis | Brentwood | 1A | East Interstate 64/U.S. Route 40 | Southbound only |
St. Louis | Brentwood | 1B | West Interstate 64/U.S. Route 40 | Southbound only |
St. Louis | Brentwood | 1C | Galleria Pkwy. | Northbound only |
St. Louis | Clayton | 1D | Brentwood Blvd. Southbound | Southbound only |
St. Louis | Clayton | 1E | Forest Park Pkwy. | |
St. Louis | Clayton | 1F | Ladue Rd. | |
St. Louis | Clayton | 2 | Delmar Blvd. | |
St. Louis | University City | 3/3A&3B | Highway 340, Olive Blvd. | Exit 3 Northbound, Exits 3A&3B Southbound Interchange to be converted to a SPUI in 2006 |
St. Louis | Overland | 4 | SSR D, Page Ave. | |
St. Louis | Charlack | 5 | Highway 180, St. Charles Rock Rd. | |
St. Louis | St. John | 6 | Highway 115, Natural Bridge Rd. | |
St. Louis | Berkeley | 7A | East Interstate 70 | |
St. Louis | Berkeley | 7B | West Interstate 70 | |
St. Louis | Berkeley | 7C | Lambert-St Louis Airport | Northbound only |
St. Louis | Berkeley | 8 | N. Hanley Rd.; Scudder Rd. | |
St. Louis | Berkeley | 9A | Airport Rd. | |
St. Louis | Berkeley | 9B | Boeing Plant | Northbound only |
St. Louis | Berkeley | 9C | N. Hanley Rd. | Northbound only |
St. Louis | Hazelwood | 10A | West Interstate 270 | Northbound only |
St. Louis | Hazelwood | 10B | East Interstate 270 | Northbound only; Terminus |