U.S. 26 East - Hillsboro to Portland

East
Vehicles carrying hazardous materials are prohibited from the Vista Ridge Tunnel in Portland. The Hazmat detour follows OR 217 south and Interstate 5 north.
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08/27/06
OR 217 is the Beaverton-Tigard Freeway traveling south through Washington County suburbs to Interstate 5 between Tigard and Lake Oswego.
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08/27/06
U.S. 26 (Sunset Highway) traverses the Tualatin Mountains in Portland through a 6.5% downgrade.
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08/27/06
Eastbound U.S. 26 (Sunset Highway) advances to the Vista Ridge Tunnel beyond Exit 73 to Canyon Road. The exchange with Interstate 405 follows.
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08/27/06
No lane changes are allowed along Sunset Highway from within the Vista Ridge Tunnel east to Interstate 405.
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08/27/06
Prior to 2005, U.S. 26 continued east onto Market Street into the City Center. The route was relocated at that time onto a short overlap with I-405 (Stadium Freeway) south.
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08/27/06
Photo Credits:
- AARoads: 08/27/06
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Page Updated Tuesday August 26, 2025.


