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U.S. 26: Brookwood Parkway/Helvetia Interchange Project
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Latest News (June 2014): 
Construction began August 2013
The construction contractor is Wildish Construction. Project completion is slated for summer 2015. 
 
 
Construction planned for June 2014:
** Build retaining wall at the end of the old Jacobson Road
 
** Bridge (overpass) work
 
Traffic Impacts
For approximately 3 weeks starting June 3, the contractor will be pile driving at the Brookwood/Helvetia overpass. This is very noisy work due to the steel piling being driven into the ground with a diesel hammer on a crane.  Due to the current noise ordinances for Washington County and City of Hillsboro, this work will only occur between the hours of 7 a.m. and 7 p.m.
 
In February, the contractor opened up the new section of Jacobson Road, which connects to Helvetia Road approximately 800 feet further north of the old intersection.  This is a permanent traffic pattern change.  All road users on Jacobson Road will now use this new section when going to/from Helvetia Road.  The old Jacobson Road intersection just west of the new section is now closed.  View a map that depicts the change.  Please use caution and pay attention to the new traffic patterns when using Jacobson Road as the new configuration is significantly different than the old configuration.
 
Drivers will encounter numerous traffic shifts and new traffic patterns in the interchange throughout the entire project.    Please use caution and follow all construction signage.
 
The speed limit has been reduced to 40 MPH on Helvetia Road and Brookwood Parkway from West Union Road to Huffman Street.  Fines are double around the clock in this section, regardless of whether there's active construction at the time. Be aware there is increased enforcement in the work zone. 
 
Read the weekly construction news for traffic impacts, updated every Friday.
Stay Connected:

 
To sign up for electronic updates about the U.S. 26: Brookwood Parkway/Helvetia Interchange Project and the Brookwood Parkway/Helvetia IAMP, please send your email address to lili.d.boicourt@odot.state.or.us and put "Brookwood Parkway/Helvetia Updates" in the subject line. 

 

Questions or comments can be directed to Lili Boicourt, ODOT Community Affairs at 503-731-8247 or Lili.D.Boicourt@odot.state.or.us.

  
 

Project Elements, Schedule and Traffic Impacts

The U.S. 26: Brookwood Parkway/Helvetia Interchange project will improve traffic flow and safety in the interchange area. Completion is slated for summer 2015.  Project elements include:

  • Constructing a new westbound U.S. 26 to southbound Brookwood Parkway exit loop ramp
  • Reconstructing the westbound U.S. 26 entrance ramp from Helvetia Road
  • Widening the Brookwood Parkway overcrossing to accommodate additional northbound and southbound lanes over U.S. 26. Once complete, there will be two northbound lanes, three southbound lanes and a left turn lane on the bridge.
  • Adding sidewalks and bike lanes within the interchange area
  • Extending the northbound right-turn lane from Brookwood Parkway to the eastbound U.S. 26 entrance ramp 

There are seven stages of construction. At several times, drivers will experience traffic shifts and new traffic patterns in the interchange. During all seven stages, there will be intermittent nighttime lane closures on Brookwood Parkway, Helvetia Road, U.S. 26 and the on- and off-ramps. Daytime work will be behind barriers and all lanes will be open. Please use caution and follow all construction signage.


** Stage 1 compete (August 2013 through winter 2014): Work included building a new section of Jacobson Road to connect to Helvetia Road farther north and building a new culvert across Helvetia Road. Groveland Drive where it intersects with Helvetia Road permanently closed October 2013. Drivers heading to/from Groveland Drive can use Helvetia Road, West Union Road and Groveland Road. Washington County is in design on a project to reconnect Groveland Drive to Helvetia Road farther north. Crews removed approximately 160 small and large trees in the northwest and northeast quadrants of the interchange to prepare for widening and ramp work. The new connection of Jacobson Road and Helvetia Road opened in Feb. 2014. View a map that depicts the change.


** Stage 2 we are here (winter 2014 through spring/summer 2014): Work includes widening Helvetia Road and Brookwood Parkway, building a retaining wall, widening the ramps on the east half of the interchange and installing new sign structures and bridge girders on U.S. 26.

Traffic impacts in Stage 2: U.S. 26 under Brookwood Parkway will be entirely closed for 1-2 nights while the new bridge girders are delivered and installed. During the highway closure, traffic will be routed onto the Brookwood Parkway off-ramps and back to the highway using the Brookwood Parkway on-ramps. Expect intermittent nighttime lane closures and daytime work behind barriers.


** Stages 3 & 4 (spring/summer 2014 through fall 2014): Work includes building new ramps from U.S. 26 westbound and widening the overpass.

Traffic impacts in Stages 3 & 4: Intermittent nighttime lane closures and daytime work behind barriers.


** Stage 5 (fall/winter 2014/15): The new on-ramp to U.S. 26 westbound, farther north than the current ramp, will open. Work includes removing the former westbound off-ramp, completing work on the new off-ramp from U.S. 26 westbound to Brookwood Parkway southbound, and widening on Helvetia Road and Brookwood Parkway. At the end of this stage, the new off-ramp from U.S. 26 westbound to Brookwood Parkway southbound will open. The current off-ramp from U.S. 26 westbound will convert to use for northbound traffic on Helvetia Road only.

Traffic impacts in Stage 5: Intermittent nighttime lane closures and daytime work behind barriers.


** Stage 6 (winter 2015): Work includes widening the existing U.S. 26 westbound off-ramp. Traffic will be in its final configuration at the end of this stage.

Traffic impacts in Stage 6: In addition to intermittent nighttime lane closures, there will be a full weekend closure (8 p.m. Friday to 5 a.m. Monday) of the existing off-ramp from U.S. 26 westbound. During the closure, the newly opened ramp from U.S. 26 westbound to Brookwood Parkway southbound will be open. There will be a signed detour for drivers heading north on Helvetia Road. When the ramp is reopened, there will be two off-ramps from U.S. 26 westbound: one for Helvetia Road heading north and one for Brookwood Parkway heading south.

** Stage 7 (spring 2015 through summer 2015): Work includes final paving, striping and cleanup work.

Traffic impacts in Stage 7: Intermittent nighttime lane closures and daytime work behind barriers.
Work on this project will take place during the day and night.

 

Project Reports/Maps
Project Newsletter (August 2013)
Nighttime Noise

ODOT has obtained nighttime noise variances from the City of Hillsboro and Washington County. Residences and businesses adjacent to the project area may experience construction noise. A phone number is available for reporting noise problems or incidents requiring immediate attention. That number is 503-646-0231.

A Jobs and Transportation Act Project
The 2009 Oregon Legislature allocated $45 million in the Jobs and Transportation Act (JTA) to fund improvements to the U.S. 26 Brookwood Parkway/Helvetia Road interchange, which is currently overburdened, particularly during morning and evening peak commuter hours.
 
Previous planning efforts have identified approximately $70 million of transportation improvements that would provide additional capacity, improve safety and access, and relocate existing local facilities to better accommodate the long-term function of the interchange.
 
ODOT is in the early stages of project engineering and is working with the City of Hillsboro and Washington County to develop a project that meets the $45 million budget provided by the JTA, and that:
  • reduces congestion;
  • improves safety;
  • improves freight mobility; and
  • increases economic development opportunities, including job retention and creation south of the interchange in Hillsboro.

The three agencies have finalized a Memorandum of Understanding (MOU) that memorializes the project purpose, priorities, goals and concepts. 
 

 

To view the January 2012 project newsletter, click here.
To view the May 2010 project newsletter, click here

The U.S. 26 Brookwood Parkway/Helvetia Road interchange is a locally and regionally significant interchange along the U.S. 26 Sunset Corridor. This interchange is a primary entry point to regionally-significant high-tech employment centers south of the interchange. The transportation challenge is heavy traffic from the westbound U.S. 26 exit ramp to southbound Brookwood Parkway during morning peak hours, and heavy traffic northbound on Brookwood Parkway to eastbound U.S. 26 during afternoon peak hours.

Interchange Area Management Plan (IAMP)
Because ODOT is modifying the Brookwood Parkway/Helvetia interchange as part of the U.S. 26: Brookwood Parkway/Helvetia Interchange Jobs and Transportation Act (JTA) Project, ODOT is required to adopt an Interchange Area Management Plan (IAMP) for the interchange.  U.S. 26 is locally and regionally significant in moving people, goods, and services through North Hillsboro and throughout the metropolitan region and the state.  The U.S. 26: Brookwood Parkway/Helvetia Road interchange has been and will continue to serve as a major entry point to large high-technology employment centers based throughout North Hillsboro.
 
The purpose of the IAMP is to:
  • Support the JTA U.S. 26: Brookwood Parkway/Helvetia Interchange improvement project;
  • Support the ongoing and future City of Hillsboro and Washington County transportation, land use, and economic development planning efforts in and around the study area (North Hillsboro); and
  • Protect the future function of the interchange.

IAMP Study Area 

 

The US26: Brookwood Parkway/Helvetia Road Interchange Area Management Plan (shown below) was adopted by the OTC (Oregon Transportation Commission) in October 2012. 

 

View the approved IAMP

Note: the appendices below are very large files.

Appendix A

Appendix B

Appendix C

 

Appendix D

Appendix E

Appendix F

  
Brookwood Parkway/Helvetia Interchange
IAMP Project Advisory Committee (PAC)
ODOT, the city and the county convended a Project Advisory Committee, comprised of technical staff, as well as five community stakeholder representatives. All PAC meetings were open to the public and time allotted for public comment.  The PAC met for the 4th and final time on June 25, 2012. 

 
PAC Meeting #1
Wednesday, May 25, 2011
2 p.m. to 4 p.m.
Hillsboro Civic Center - Conf. Rm. 113C
 
Agenda
Meeting Summary  
 
Technical Memorandum #1: Definition & Background 
Technical Memorandum #2 (DRAFT): Existing Conditions Analysis
 
PAC Meeting #2
Monday, October 24, 2011
10 a.m. to 12 p.m.
Hillsboro Civic Center - Conf. Rm. 431
 
Agenda 
Meeting Summary
 
Responses to Comments on TM #1 and #2
IAMP Schedule
IAMP Goals and Priorities 
 
Transportation Improvement Maps:
Future Improvements within Study Area (by quadrant)
Key to "Future Improvements within Study Area" Map
Future Improvements within Study Area (all quadrants)
 
 

 
PAC Meeting #3
Thursday, April 19, 2012
2 p.m. to 4 p.m.
Hillsboro Civic Center - Room 113 B&C
 
Agenda
Meeting Summary 

 
Draft Existing Conditions Fact Sheet
Draft 2035 Baseline Fact Sheet
Draft 2035 Build Fact Sheet
Draft IAMP Improvement Projects Map
Schedule
Responses to Comments
Presentation to PAC 

PAC Meeting #4
Monday, June 25, 2012 
3:30 p.m. to 4:30 p.m.
Hillsboro Civic Center - Room 113 B&C 
 
Agenda
Meeting Summary

Draft IAMP

Draft IAMP Improvement Projects Map

Presentation to PAC

  
 
For more information, please contact Lili Boicourt with ODOT Community Affairs at 503-731-8247 or Lili.D.Boicourt@odot.state.or.us
 

Public Outreach
ODOT held the first public meeting on Wednesday, Nov. 10, 2010 at the Ronler Acres Fire Station to introduce the interchange project to the public, answer questions and take comments. Thanks to everyone who attended. Community members dropped in to learn details about the project, including the project concept, purpose and timeline. 
 
ODOT held a second public meeting on Jan. 17, 2012, from 5:30 p.m. to 7:30 p.m. at the Liberty High School Library. The following materials were available for review at the open house.  
 

IAMP Interchange Project
Project Overview 
IAMP Goals & Priorities 
IAMP Study Area 
Proposed Local Projects 
IAMP Schedule 
 
Project Purpose
Project Timeline 
Aerial Design Display 
Cross Section of Overcrossing

 
A third open house was held on June 25, 2012.  A fourth open house was held April 11, 2013.  A fifth open house was held Sept. 11, 2013 to share schedule and traffic impact information.

Feel free to use the contact information below to provide comments and ask questions. You can also request to be added to the email list for project updates.  Read the project comment log for questions and comments that the project team has received to date (as of 8/29/12).

ODOT Contact Information

Lili Boicourt , ODOT Community Affairs
(503) 731-8247
lili.d.boicourt@odot.state.or.us