Department of Transportation Scott Kubly, Director
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12th Avenue Improvements

Last updated: December 21, 2015

Construction Updates

Construction on 12th Ave nearly complete

Construction of safety improvements on 12th Ave at E Olive and E Howell streets is nearly complete. Crews working for the Seattle Department of Transportation (SDOT) will return to complete final asphalting and paint new crosswalks across 12th Ave when weather allows, as this work requires multiple days of dry weather. Crews will return in the spring to plant grass seed in the new soil in the planting strips surrounding the new curb extensions.
We will notify neighbors ahead of final work. Thank you for your patience throughout construction.

Outreach during construction

We are committed to keeping the community informed. The team will post "no-parking" signs and notify property owners and residents of construction impacts. Click here to sign up for project email updates.


If you have questions or concerns, please contact the construction outreach team at or (206) 733-9361.

Project Description

Click for largerSDOT is adding safety improvements at two intersections in the Capitol Hill neighborhood. The project will feature new curb extensions ("bulbs") at all four corners of the intersections of E Howell and E Olive streets on 12th Ave. These improvements will make the roadway more predictable and improve access to nearby destinations for all users, with new curb ramps that meet current Americans with Disabilities Act (ADA) standards.


Project Benefits

The goal of these improvements is to allow safer crossings for pedestrians and improve mobility for all users. Curb bulbs help reduce crossing lengths and improve visibility between people walking and people driving. The work will include:

  • Curb extensions to facilitate safer, shorter crossings for people crossing the street
  • ADA-compliant curb ramps, for smoother and better access
  • New striped crosswalks that cross 12th Ave at both intersections
  • Drainage improvements at both intersections


The 12th Ave project is one of 12 selected by the Bridging the Gap Oversight Committee to be completed as part of the Neighborhood Street Fund program, funded by the Bridging the Gap (BTG) transportation levy, approved by Seattle voters in November 2006 and scheduled to expire at the end of this year.


We completed final design in 2014. Crews began construction on September 30, and will return to finish paving and roadway striping when weather conditions are favorable.

Project Materials

Final design plans

Project fact sheet

Construction notice

More Information

If you have questions about this project or would like to be added to the project mailing list, contact the project team at or (206) 733-9361.

If you need this information translated, please call (206) 733-9990.

Si usted necesita esta información traducida al español por favor llame al (206) 733-9990.

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Kung kailangan ninyong  isalin sa Tagalog ang  impormasyong ito,  paki-tawag lang sa(206) 733-9990.

Nếu quý vị cần thông tin này chuyển ngữ sang tiếng Việt, xin gọi số (206) 733-9990.

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