NW Lake Rd. and NW Sierra St. Intersection Improvements

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A roundabout is coming to this location!

Thank you for sharing your experience and helping us select a preferred option. After considering the engineering analysis and community input, the consensus of the City Council is to add a new roundabout to the intersection at NW Lake Road and NW Sierra Street.

A new roundabout will:

  • Improve safety and mobility by reducing the likelihood of high-speed collisions.
  • Reduce traffic backups, mainly for northbound motorists on NW Sierra Street trying to enter onto Lake Road.
  • Upgrade sidewalks and bicycle lanes.

The project is funded for design but not for construction. The City is currently moving forward with designing the roundabout and pursuing construction funding. We will continue to share information during the design process. Sign up to receive email updates!

The roundabout

A roundabout will allow the best traffic flow and provide a better long-term solution but does cost more in the near-term than a traffic signal and takes longer to complete the improvements. A roundabout may also require the City to purchase small pieces of land from nearby homeowners. Ongoing maintenance costs for a roundabout are less than a traffic signal.

Rendering showing the potential roundabout on NW Lake Road and NW Sierra Street, facing west on NW Lake Road

Proposed roundabout on NW Lake Road and NW Sierra Street, looking south at NW Sierra Street

Rendering showing potential roundabout on NW Lake Road and NW Sierra Street, facing west on NW Lake Road

Proposed roundabout on NW Lake Road and NW Sierra Street, facing west on NW Lake Road.

Timing

  • Thank you for your input and participation in the community engagement process. The City is currently moving forward with designing the roundabout and pursuing construction funding.
  • Construction timing will depend on available funding.

Background

NW Lake Road is a major east-west roadway connecting East Vancouver and Camas. NW Sierra Street is a primary roadway providing access to residential areas on Prune Hill. The intersection has only a stop sign on NW Sierra Street.

Currently, traffic often backs up at the stop sign due to Lake Road’s high speeds and heavy traffic volumes. For the same reasons, traffic sometimes backs up in the westbound left-turn lane on NW Lake Road.

A future traffic signal at this location could reduce traffic wait times on NW Sierra Street to approximately 20 seconds in the morning and 12 seconds in the afternoon.

A future roundabout at this location could reduce traffic wait times on NW Sierra Street to approximately 12 seconds in the morning and 13 seconds in the afternoon.

If no improvements are made at this intersection, future delays in the morning and the afternoon will exceed 100 seconds.

For NW Lake Road, there are not currently any delays as there is no stop control. Both the signal and roundabout will add some minor delays to Lake Road travelers, but well within acceptable operating standards.

A roundabout is coming to this location!

Thank you for sharing your experience and helping us select a preferred option. After considering the engineering analysis and community input, the consensus of the City Council is to add a new roundabout to the intersection at NW Lake Road and NW Sierra Street.

A new roundabout will:

  • Improve safety and mobility by reducing the likelihood of high-speed collisions.
  • Reduce traffic backups, mainly for northbound motorists on NW Sierra Street trying to enter onto Lake Road.
  • Upgrade sidewalks and bicycle lanes.

The project is funded for design but not for construction. The City is currently moving forward with designing the roundabout and pursuing construction funding. We will continue to share information during the design process. Sign up to receive email updates!

The roundabout

A roundabout will allow the best traffic flow and provide a better long-term solution but does cost more in the near-term than a traffic signal and takes longer to complete the improvements. A roundabout may also require the City to purchase small pieces of land from nearby homeowners. Ongoing maintenance costs for a roundabout are less than a traffic signal.

Rendering showing the potential roundabout on NW Lake Road and NW Sierra Street, facing west on NW Lake Road

Proposed roundabout on NW Lake Road and NW Sierra Street, looking south at NW Sierra Street

Rendering showing potential roundabout on NW Lake Road and NW Sierra Street, facing west on NW Lake Road

Proposed roundabout on NW Lake Road and NW Sierra Street, facing west on NW Lake Road.

Timing

  • Thank you for your input and participation in the community engagement process. The City is currently moving forward with designing the roundabout and pursuing construction funding.
  • Construction timing will depend on available funding.

Background

NW Lake Road is a major east-west roadway connecting East Vancouver and Camas. NW Sierra Street is a primary roadway providing access to residential areas on Prune Hill. The intersection has only a stop sign on NW Sierra Street.

Currently, traffic often backs up at the stop sign due to Lake Road’s high speeds and heavy traffic volumes. For the same reasons, traffic sometimes backs up in the westbound left-turn lane on NW Lake Road.

A future traffic signal at this location could reduce traffic wait times on NW Sierra Street to approximately 20 seconds in the morning and 12 seconds in the afternoon.

A future roundabout at this location could reduce traffic wait times on NW Sierra Street to approximately 12 seconds in the morning and 13 seconds in the afternoon.

If no improvements are made at this intersection, future delays in the morning and the afternoon will exceed 100 seconds.

For NW Lake Road, there are not currently any delays as there is no stop control. Both the signal and roundabout will add some minor delays to Lake Road travelers, but well within acceptable operating standards.

Page last updated: 07 Aug 2024, 10:12 AM