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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

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Peninsula Trail Fiber Optic Installation

Updated May 7, 2020

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The City of Portland’s Bureau of Environmental Services is continuing our work to repair and replace critical sewer and stormwater infrastructure. Environmental Services will continue to provide information and updates on construction schedules and activities during the COVID-19 emergency.   

Environmental Services – your sewer and stormwater services provider – is working with the Bureau of Technology Services to install an underground fiber optic communications network between the Portsmouth Shaft on N. Willamette Boulevard and the Columbia Boulevard Wastewater Treatment Plant. This new fiber optic system will allow real time communications with remote equipment, so staff do not need to travel in the event of an earthquake, when roads, bridges, etc. are likely to be damaged.

Peninsula Trail Fiber Conduit Installation Project Map

 Schedule and Hours

 Crews will install the underground fiber optic cable through approximately 17 shallow access pits that will be excavated along the alignment. Work will be from 7am to 6pm, Monday through Fridays, and some Saturdays starting the last week of May until the end of July 2020.

 Trail Closure

The Peninsula Trail will be periodically closed between May 25 through July 31, 2020 due to the fiber optic installation and open pit work. Crews intend to close the trail in sections, approximately two to three weeks at a time. Sections to close will be from:

  1.  Princeton to Lombard,
  2. Lombard to Fessenden, and
  3. Fessenden to Columbia Blvd

When one section of trail is closed, it will be closed all hours for safety reasons, while the other two sections will remain open. The schedule is not set on which section will be closed first, but we are open to hearing from the public on the preference of closure sequence (1, 2, 3 or 1, 3, 2, or 3, 2, 1, etc.). Please email

For More Information

Contact Debbie Caselton at 503-823-2831 or email at