Interstate 505 (Oregon)
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Interstate 505 (abbreviated I-505) in Oregon was an intended 1.44 mile freeway spur in northwest Portland that would have connected Interstate 405 with St. Helens Road, U.S. Highway 30. This freeway was canceled in 1979 after plans for it were withdrawn, and U.S. Highway 30 was realigned along Yeon Road in 1988 to alleviate residential congestion. The I-505 interchange, having already been built with the construction of I-405, now serves as a direct connection to U.S. 30.
The realignment of U.S. Highway 30 along NW Yeon Road, as well as an upgrade to freeway standards for the last mile to the former I-505 interchange, obsoleted the I-505 route. I-505's proposed route would have required condemnation and rerouting streets on a swath of land through the Northwest Industrial District.
Exit list
This is a list of the exits along the present freeway, now part of US 30 (the Lower Columbia River Highway - Highway 2).| Mile | Destinations | Notes |
|---|---|---|
| 1.97 | Nicolai Street | traffic signal |
| 1.69 | Vaughn Street | westbound exit and eastbound entrance |
| 1.36 | Interstate 405 south to U.S. Route 26 - Beaverton/Salem | eastbound exit and westbound entrance |
| 1.36 | Interstate 405 north/U.S. Route 30 - The Dalles/Seattle, Washington | eastbound exit and westbound entrance |
| [http://encycl.opentopia.com/ edit ] Auxiliary routes of Interstate 5
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