 Interstate 170 | ||||
|---|---|---|---|---|
| Inner Belt Expressway | ||||
_map.svg) | ||||
| Route information | ||||
| Maintained by MoDOT | ||||
| Length | 11.17 mi[1] (17.98 km) | |||
| Existed | 1956–present | |||
| NHS | Entire route | |||
| Major junctions | ||||
| South end |   I-64 / US 40 in Richmond Heights | |||
 I-70 in Berkeley | ||||
| North end |  I-270 in Hazelwood | |||
| Section 1 | ||||
| Length | 9 mi (14 km) | |||
| Section 2 | ||||
| Length | 2.17 mi (3.49 km) | |||
| Location | ||||
| Country | United States | |||
| State | Missouri | |||
| Counties | St. Louis County | |||
| Highway system | ||||
| ||||
- ^ "Route Log and Finder List - Interstate System - table 2". Federal Highway Administration. 2002-10-31. Retrieved 2007-07-08.