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The stretch of U.S. 26 between Cornelius Pass Road and 185th Avenue has reached its vehicle capacity. The population and employment in Washington County continues to grow, increasing the traffic demand on U.S. 26. Without improvements, congestion and related crashes are anticipated to increase.
This project is part of a phased approach to addressing congestion on U.S. 26. It follows earlier project work on U.S. 26 and is being coordinated with nearby roadway improvement projects. This effort continues a partnership between ODOT, the City of Hillsboro, and Washington County.
This project will:
You can learn more about these four project elements on the following pages.
Widening to Outside of the Highway
Widening to the Inside of the Highway
Once complete, there will be three travel lanes in each direction from downtown Portland to Cornelius Pass Road. Most of the highway widening will occur in the highway median; highway shoulders will also be widened.
Cable and concrete barriers will be added to the highway median.
Rock Creek Trail
Accelerated Bridge Construction (ABC) Technology will be used to replace the bridges over Rock Creek. This approach reduces onsite construction time by building bridge elements offsite. This has the advantage of reducing traffic impacts and reducing the overall duration of construction. When construction is completed, the trail below the bridge will be fully illuminated to ensure a comfortable experience for pathway users.
The project team recognizes that the Rock Creek trail is an important connection for trail users and commuters who need to cross the highway, and it will be kept open as much as possible during construction.
Signalized Right Turn
Dedicated Right Turn
Bikes and Pedestrians
Washington County Project
This project is being closely coordinated with a separate Washington County and City of Hillsboro project that is making improvements to Cornelius Pass Road and ramps on the south side of the interchange.
New sound walls will help reduce highway noise entering the neighborhood.
Construction is expected to begin in Fall 2016 and continue through the end of 2018. During construction, expect:
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This project is requesting demographic information to evaluate the effectiveness of public outreach activities. The identity of individuals is kept confidential. The results are reported as totals only, and used solely to help improve future community engagement. Providing this information is voluntary and optional. If you like, you may skip these questions.