 Route 370 | ||||
|---|---|---|---|---|
 Route 370 highlighted in red | ||||
| Route information | ||||
| Maintained by MoDOT | ||||
| Length | 12.957 mi[1] (20.852 km) | |||
| Existed | 1993–present | |||
| Major junctions | ||||
| West end |  I-70 in St. Peters | |||
| East end |  I-270 in Bridgeton | |||
| Location | ||||
| Country | United States | |||
| State | Missouri | |||
| Counties | St. Charles, St. Louis | |||
| Highway system | ||||
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Missouri Route 370 (Route 370) is a freeway that connects St. Louis County with St. Charles County via the Discovery Bridge over the Missouri River. The St. Charles County segment of the freeway is signed as the Patrick J. Bray Memorial Highway while in St. Louis County it is signed as the Officer Scott H. Armstrong Memorial Highway.