Stadium Freeway No. 61 | ||||
Route information | ||||
Auxiliary route of I-5 | ||||
Length | 4.25 mi (6.84 km) | |||
Existed | 1958[1]–present | |||
NHS | Entire route | |||
Major junctions | ||||
South end | I-5 in Portland | |||
US 26 in Portland US 30 in Portland | ||||
North end | I-5 / US 30 in Portland | |||
Location | ||||
Country | United States | |||
State | Oregon | |||
Counties | Multnomah | |||
Highway system | ||||
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Interstate 405 (I-405), also known as the Stadium Freeway No. 61,[2] is a short north–south Interstate Highway in Portland, Oregon. It forms a loop that travels around the west side of Downtown Portland.