Skip to main content

209th Avenue (Alexander Street to Kinnaman Road)

SW 209th Avenue is being improved between Alexander Street and Kinnaman Road. Construction began in 2022.

SW 209th Avenue is located east of the city of Hillsboro's new South Hillsboro development. Between Alexander Street and Kinnaman Road, 209th Avenue is a two-lane road with dedicated left-turn lanes on both the north and south sides, but no bike lanes.

Traffic is expected to increase as South Hillsboro continues to develop. We will be:

  • Widening 209th Avenue to five lanes, two travel lanes in each direction and a protected center-turn lane.
  • Improving the grade of the railroad crossing on 209th Avenue, south of Tualatin Valley Highway. Adding bike lanes
  • Improving street lighting,
  • Adding landscaping, sidewalks, signal and bus stop upgrades and drainage.
  • The work will be done in coordination Cornelius Pass Road, 234th Avenue and 198th Avenue improvements.

Construction start: July 2022
Construction finish (expected): Sept. 1, 2024

Sign up to receive project updates by email


7/5/2024: Closure has been extended through Aug. 7. 209th Avenue is closed between TV Highway and Industrial Way for 90 days for railroad crossing replacement. Detour to Cornelius Pass Road and 198th Avenue.

209th Avenue closure detour to 198th Avenue and Cornelius Pass Road

No left-turns are allowed at the intersection.

Speed limits have been reduced to 35 mph.


Cost Estimate: $29.1 million

Funding Sources:

Prior events and comment opportunities

Construction kickoff open house: 5/20-6/5/2022

Open house: June 13, 2019