133rd Ave Grid Rd Ext & Roundabout

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Project Overview

Following completion of the 133rd Avenue NE extension to Woodinville-Snohomish Rd, construction of a new roundabout at the intersection of Woodinville-Snohomish Rd and Little Bear Creek Parkway (NE 177th Place) began in summer 2025. The project is designed to improve traffic flow, enhance safety, and strengthen connections for people traveling by vehicle, bicycle, and foot.

A key feature of the project is a dedicated pedestrian and bicycle tunnel beneath the roundabout. The tunnel provides uninterrupted access for Eastrail users while reducing conflicts with vehicle traffic at the intersection.

Traffic Impacts

Beginning Monday, September 14, traffic patterns around the construction zone will change:

➡️ Little Bear Creek Pkwy (NE 177th Place) will reopen to eastbound traffic only, through 134th St.

⬅️ Woodinville-Snohomish Rd will be open to westbound traffic only, from the Woodinville Post Office to Southbound 133rd Ave NE.

While 132nd Ave will be partially closed, local access to the surrounding businesses will be available and appreciate your continued support.

  • Local access to businesses will remain open
  • Traffic flaggers on-site to manage business access and traffic flow.
  • Brief delays are expected as construction vehicles enter and exit the work zone

Roundabout Project Benefits

  • Improved Traffic Flow: Roundabouts keep vehicles moving more efficiently than traditional signalized intersections, helping reduce delays and improve travel times.
  • Reduced Congestion: The project provides an alternative route through downtown, helping relieve traffic on the heavily traveled NE 175th Street corridor.
  • Safter Trail Crossings: A dedicated Eastrail tunnel beneath the roundabout allows pedestrians and cyclists to cross safely, separated from vehicle traffic.
  • Better Downtown Connections: The roundabout improves access to and from downtown for drivers, cyclists, and pedestrians.
  • Enhanced Public Spaces: The project creates opportunities for landscaping, pollinator-friendly plantings, public art, and future trail corridor improvements
  • Roundabout Public Art: The center of the roundabout will feature River, a sculpture created by Wildheart Designs. The artwork will serve as a visual landmark and contribute to the character and identity of the corridor.




Stay Informed

Check this page regularly for project updates, construction schedules, and traffic information or follow the City on social media for the latest updates. Learn about the history of the 133rd Ave NE roundabout.

Project Overview

Following completion of the 133rd Avenue NE extension to Woodinville-Snohomish Rd, construction of a new roundabout at the intersection of Woodinville-Snohomish Rd and Little Bear Creek Parkway (NE 177th Place) began in summer 2025. The project is designed to improve traffic flow, enhance safety, and strengthen connections for people traveling by vehicle, bicycle, and foot.

A key feature of the project is a dedicated pedestrian and bicycle tunnel beneath the roundabout. The tunnel provides uninterrupted access for Eastrail users while reducing conflicts with vehicle traffic at the intersection.

Traffic Impacts

Beginning Monday, September 14, traffic patterns around the construction zone will change:

➡️ Little Bear Creek Pkwy (NE 177th Place) will reopen to eastbound traffic only, through 134th St.

⬅️ Woodinville-Snohomish Rd will be open to westbound traffic only, from the Woodinville Post Office to Southbound 133rd Ave NE.

While 132nd Ave will be partially closed, local access to the surrounding businesses will be available and appreciate your continued support.

  • Local access to businesses will remain open
  • Traffic flaggers on-site to manage business access and traffic flow.
  • Brief delays are expected as construction vehicles enter and exit the work zone

Roundabout Project Benefits

  • Improved Traffic Flow: Roundabouts keep vehicles moving more efficiently than traditional signalized intersections, helping reduce delays and improve travel times.
  • Reduced Congestion: The project provides an alternative route through downtown, helping relieve traffic on the heavily traveled NE 175th Street corridor.
  • Safter Trail Crossings: A dedicated Eastrail tunnel beneath the roundabout allows pedestrians and cyclists to cross safely, separated from vehicle traffic.
  • Better Downtown Connections: The roundabout improves access to and from downtown for drivers, cyclists, and pedestrians.
  • Enhanced Public Spaces: The project creates opportunities for landscaping, pollinator-friendly plantings, public art, and future trail corridor improvements
  • Roundabout Public Art: The center of the roundabout will feature River, a sculpture created by Wildheart Designs. The artwork will serve as a visual landmark and contribute to the character and identity of the corridor.




Stay Informed

Check this page regularly for project updates, construction schedules, and traffic information or follow the City on social media for the latest updates. Learn about the history of the 133rd Ave NE roundabout.

  • CLOSED: This survey has concluded.

    133rd Ave NE Roundabout Art Survey Closed

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