Update on NW Pettygrove Neighborhood Greenway Project

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(September 16, 2022) The Portland Bureau of Transportation (PBOT) plans to install a traffic diverter at NW 9th Ave and NW Overton Street as part of the NW Pettygrove Neighborhood Greenway project on Saturday, September 17. This traffic pattern change will prevent westbound vehicle turns onto NW Overton St from NW 9th Ave. Bike sharrows and an eastbound bike lane will also be installed on NW Overton between NW 9th Ave and NW 10th Ave.  

No on-street parking will be allowed on NW Overton between NW 9th Ave and NW 10th Ave when installation is taking place. Business deliveries and the Encore parking lot will remain open during installation. Please follow on-street signage and flaggers. 

Work hours are 5am to 3pm. Construction noise should be minimal. PBOT’s Maintenance Operations crews are performing the work of NW Pettygrove Neighborhood Greenway Project. All work is weather and resource dependent and the schedule may change. 

Project Map

Pettygrove Greenway Map

View link to the project map in a larger size with illustrations of planned traffic pattern changes here.

What’s next 

The diverter is being installed using low-cost, temporary materials that can be easily moved or modified. PBOT will collect area data including vehicle speeds, vehicle volumes, and area on-street parking utilization in spring 2023 (approximately six months after installation). We will monitor the benefits and impacts of the diverter and share the results of the monitoring, community feedback, and any resulting changes that need to be made. 

Additional speed bumps, sharrows, and neighborhood greenway signage will be installed on NW Pettygrove in the fall or winter as weather allows. At the conclusion of the project sharrows and neighborhood greenway signage will be removed from NW Overton St west of NW 14th Ave.  

About the NW Pettygrove Neighborhood Greenway Project 

The traffic pattern change at NW 9th and Overton is a part of the new low-stress walking and biking route along NW Pettygrove St, connecting Chapman Elementary School, the growing Slabtown area, the North Pearl District, and Fields Park. The route briefly transitions to NW Overton and NW 9th Ave to connect to protected bike lanes on NW Naito Pkwy. This neighborhood greenway will replace the one currently on NW Overton Street in the Northwest District. 

PBOT will build new speed bumps, change traffic patterns to limit cut-through traffic, and make pedestrian crossings safer. These improvements will make these streets safer for pedestrians and people biking while preserving the ability of people driving to access area homes and businesses.  

The project was identified by the Northwest in Motion Plan, which represents over two years of analysis, community outreach, and problem-solving to improve walking, biking, and public transit in the Northwest District and surrounding area.  

View the project map with illustrations of the planned enhancements and other information about the project on the project web page.   


Liz Rickles, Capital Project Manager