Road Information

Interstate 170 in Missouri    
Total Mileage in State: 11 miles
Northern End: At I-270, in Hazelwood
Southern End: At I-64, in Richmond Heights
Mileage covered in Photos: 11 miles
Counties covered in Photos: St. Louis
Major Junctions in Photos: I-70, in Berkeley
I-64, in Richmond Heights
Control Cities in Photos: Hazelwood, Berkeley, St. Louis, Richmond Heights

Southbound

   

Merging onto Interstate 170 South via Exit 26A on Interstate 270 East in Hazelwood. (Photo taken 5/16/18).

View on the ramp to Interstate 170 South from Interstate 270 East. (Photo taken 5/16/18).

At mile marker 10.8, the ramps from Interstate 270 come together to form two thru lanes on Interstate 170 South. (Photo taken 5/16/18).

Overhead mileage sign in the median which lists the distances to the first three exits on Interstate 170 South. (Photo taken 5/16/18).

State-named Interstate 170 South reassurance shield. (Photo taken 5/16/18).

View on Interstate 170 South at mile marker 10. (Photo taken 5/16/18).

Traffic to Lambert St. Louis Airport should use Exit 7B (Interstate 70 West). (Photo taken 5/16/18).

Interstate 170 South at Exit 9A: Airport Rd (Photo taken 5/16/18).

Interstate 170 South approaching Exits 7B-A - 1 mile. (Photo taken 5/16/18).

The speed limit on Interstate 170 South starts out at 60 mph. (Photo taken 5/16/18).

Interstate 170 South at Exit 8: Scudder Rd (Photo taken 5/16/18).

Interstate 170 South at Exit 7B: Interstate 70 West - Kansas City (Photo taken 5/16/18).

Interstate 170 South at Exit 7A: Interstate 70 East - St. Louis (Photo taken 5/16/18).

Take Exit 6 to the University of Missouri - St. Louis. (Photo taken 5/16/18).

Interstate 170 South at Exit 6: MO 115 - Natural Bridge Rd (Photo taken 5/16/18).

Interstate 170 South at Exit 5: MO 180 - St. Charles Rock Rd (Photo taken 5/16/18).

Another overhead mileage sign in the median, showing the distances to the next three interchanges on Interstate 170 South. (Photo taken 5/16/18).

Interstate 170 South at Exit 4: Route D - Page Ave (Photo taken 5/16/18).

View on Interstate 170 South at mile marker 4.2. (Photo taken 5/16/18).

The maximum speed limit remains 60 mph. The minimum speed limit is 40 mph. (Photo taken 5/16/18).

Interstate 170 South at Exit 3: MO 340 - Olive Blvd (Photo taken 5/16/18).

Interstate 170 South at mile marker 3.2. (Photo taken 5/16/18).

Interstate 170 South at Exit 2: Delmar Blvd (Photo taken 5/16/18).

Overhead mileage sign listing the distances to the two upcoming exits to Clayton. (Photo taken 5/16/18).

Interstate 170 South at mile marker 2. (Photo taken 5/16/18).

Interstate 170 South at Exit 1F: Ladue Rd (Photo taken 5/16/18).

As this sign reads, Interstate 170 will end 1 mile ahead. It's southern terminus is at the junction of Interstate 64. (Photo taken 5/16/18).

Interstate 170 South at Exit 1E: Forest Park Pkwy (Photo taken 5/16/18).

Interstate 170 South at Exit 1D: Brentwood Blvd South (Photo taken 5/16/18).

View on Interstate 170 South at mile marker 1. (Photo taken 5/16/18).

Take Exit 1C to Hanley Rd. Approaching Exit 1C, the maximum speed limit decreases to 50 mph. (Photo taken 5/16/18).

Interstate 170 South at Exit 1C: Brentwood Blvd North / Eager Rd (Photo taken 5/16/18).

Interstate 170 South at Exit 1B: Interstate 64 West / US 40 West - Wentzville; Exit 1A: Interstate 64 East / US 40 East - St. Louis (Photo taken 5/16/18).

A closer view of the ramps for Exit 1B (right) and 1A (straight ahead) at the southern terminus of Interstate 170. (Photo taken 5/16/18).

View on the ramp to Interstate 64 East via Exit 1A from Interstate 170 South. (Photo taken 5/16/18).

The ramp from Interstate 170 South joins Interstate 64 East at this point, 3/4 mile from Exit 33A. (Photo taken 5/16/18).