Construction Travel Impacts

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Current Closures

Local Street Closure: N Interstate Ave

Purpose: Northbound lane of N Interstate Ave will be closed to vehicles for work on foundations for a new I-5 sign structure.

Where: N Interstate Ave between NE Oregon St and NE Wheeler Ave.

Closure Details:

  • The closure will begin on Sunday, April 19 at 10:00 p.m.  
  • The closure will remain in place 24 hours, 7 days a week from Sunday, April 19 at 10:00 p.m. through Friday, May 8 at 8:00 p.m.  

Detours Required:

  • Vehicles will be required to detour. Detour routes will be clearly signed.  
  • Pedestrians and bicyclists will be able to pass through.  

Local Street Closure: NE Lloyd Boulevard

Purpose: Both directions of NE Lloyd Boulevard will be closed to vehicles for I-5 repair work, earthquake readiness upgrades and foundation work. 

Where: NE Lloyd Boulevard between NE 1st Street and NE Oregon Street.  

Closure Details:

  • The closure will begin on Sunday, March 22 at 10:00 p.m. and continue for approximately 90 days.

Detours Required: 

  • Vehicles will be required to detour. Detour routes will be clearly signed.  
  • Access to the Oregon Convention Center along Lloyd Boulevard from the east and along NE 1st Avenue will be maintained.
  • Pedestrians and bicyclists will be able to pass through using the wide sidewalk along the southbound lane.  

Intermittent Overnight Closures: I-5 Southbound Left Lane

Purpose: Intermittent overnight lane closures as crews perform needed repairs in the highway median.

Where: I-5 southbound left lane between the Oregon Convention Center and Burnside Bridge

Closure Details:

  • The work will require intermittent closures overnight from 9 p.m. to 6 a.m.
  • No detours required. Travelers will be able to use the open lane. 

Major Closures Coming Summer and Fall 2026

I-5 Northbound and Southbound Closure: July 11-12, 2026*

14-Hour Full Closure

  • All lanes of I-5 northbound and southbound will be closed overnight for up to 14 hours from 10 p.m. on Saturday, July 11 to noon on Sunday, July 12.*
  • The detour for I-5 travel in both directions will be I-405.
  • During the closure, crews will remove an existing sign structure and install a new sign structure (the “sign bridge”) near the Oregon Convention Center.

*Dates subject to change.

For more details, view the I-5 Sign Bridge Fact Sheet

I-5 Southbound Closure Beginning September 11, 2026

24 hours, 7 days a week for up to 5 weeks

Plan ahead. Significant delays and unpredictable travel times are expected.

  • Crews will repair and reinforce weak areas, replace bridge joints, repave the surface and repaint lane lines on the highway.
  • Travel times may take two to three times longer than usual.
  • Congestion could back up across the Columbia River into Washington and onto local streets in the Portland area. 
  • The highway will reopen as soon as the work is complete. 

Drivers can expect:  

  • I-5 southbound to be closed between I-405 and I-84.
  • I-5 southbound travel to be detoured to I-405 southbound. Regional traffic to be directed to I-205.  
  • One lane to the Broadway/Weidler exit to remain open for local and event center access. 
  • On-ramps from Greeley, I-405 northbound/Fremont Bridge and the Moda Center to I-5 southbound to be closed.
  • I-5 southbound ramp to I-84 eastbound to be closed.
  • I-84 westbound to I-5 southbound to remain open. 
  • I-5 northbound to remain open.

Learn more by viewing our project fact sheets

Closure Overview

Why up to 5 weeks?

Translated Fact Sheets

 

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