Interstate 405 (Oregon)

I-405 marker

I-405

Stadium Freeway No. 61
Route information
Auxiliary route of I-5
Length4.25 mi (6.84 km)
Existed1958[1]–present
NHSEntire route
Major junctions
South end I-5 in Portland
Major intersections US 26 in Portland
US 30 in Portland
North end I-5 / US 30 in Portland
Location
CountryUnited States
StateOregon
CountiesMultnomah
Highway system
OR 402OR 410

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.

References

[change | change source]
  1. "Correspondence, A. E. Johnson and W. C. Williams". American Association of State Highway Officials. November 10, 1958. pp. 2–3. Retrieved October 8, 2021 – via AASHTO Route Numbering Archive.
  2. "2020 Cross Reference Table of Highway Route Number to State Highway Number" (PDF). Oregon Department of Transportation. 2020. p. 1. Retrieved October 28, 2021.