Interstate 170

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An I-170 used to exist in Baltimore, Maryland.

Image:Interstate-170.png

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.

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

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