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Interstate 5 (Pacific Highway)


May 30 - June 6, 2015*


*Schedules are subject to change due to weather and site conditions.

Interstate 5 - Southwest Capitol Highway to North Lombard Street - Paving and Signs

Project Description: The project will take place on Interstate 5 from Southwest Capitol Highway to North Lombard Street and will include:

    • Sign Replacement: Work is under way to begin replacing many of the green highway signs on I-5 from Southwest Corbett Avenue to North Lombard Street and on both decks of the Fremont Bridge (I-405). Existing signs will be updated to meet federal standards; new signs will feature more reflective materials and a less cluttered design, making them easier to read.
    • Paving: Starting this spring/summer*, about seven miles of I-5 between Southwest Capitol Highway and the Marquam Bridge will be repaved. The pavement, last replaced in 2004, is deteriorating and needs to be repaired. Transitions to on- and off-ramps will also be repaved and improvements will be made to several bridges.
​​​*Construction is scheduled to be complete by the end of 2015, but work is weather dependent and dates are subject to change.

Traffic Impacts: Expect single and double lane, shoulder, and ramp closures on I-5 Monday night through Saturday morning for site preparation, survey and drilling work for the new signs. ODOT is partnering with law enforcement for extra presence in the highway construction zone. 

    • Nighttime closure of the Greeley Avenue on-ramp to I-5 southbound and right travel lane from 8 p.m. to 6 a.m. for site work.
    • Nighttime single lane closure of the I-84 westbound to I-5 southbound on-ramp and right travel lane from 10 p.m. to 5 a.m. for site work.
    • Nighttime single lane closures on I-5 northbound (between mileposts 300.3 and 305.12, approximately the west end of the Marquam Bridge to North Lombard) Monday night through Saturday morning, from 8 p.m. to 6 a.m. for new sign site preparation.
    • Nighttime single right lane closures on I-5 southbound (between mileposts 305.44 and 300.69, approximately North Lombard Street to the east end of the Marquam Bridge) Monday night through Friday morning, from 8 p.m. to 6 a.m. for new sign site preparation.
    • Daytime shoulder closures on I-5 in both directions (between Capitol Highway and North Lombard Street, as well as the project area) for temporary sign/detour installation.​
    • For two weeks, starting Thursday, May 28, expect nighttime ramp and single lane closures on I-5 in both directions (between I-84 and North Lombard), 7 days a week from 9 p.m. to 6 a.m. for pavement striping.​
​​​​​​​​​​​​​​For more information: www.i5PavingandSigns.org or Project Hotline 503-731-4663.​

Interstate 5 Restriping Project

Project Description: On Interstate 5 (from Interstate 84 north to Interstate 405) ODOT crews will replace striping on the highway.

Traffic Impacts: Starting Thursday, May 28, rolling nighttime lane closures will take place between 9 p.m. and 5 a.m. and run through Friday, June 5. No work will take place on Saturday May 30, to avoid inconveniencing traffic leaving the Starlight Parade.

Interstate 5 Bi-State Travel Time Signage Project

Project Description: This project is installing five new travel time signs in the Portland-metro region, in coordination with Washington Department of Transportation.

Traffic Impacts: No traffic impacts.  

Interstate 5 at Southwest Hood Avenue Bridge

Project Description: Construction is underway on a seismic retrofit project for five bridges along the Interstate 5 corridor between Portland’s South Waterfront district and the Tualatin River. Retrofitting the state’s older bridges to meet modern seismic specifications will help ensure I-5 would not be immobilized in the event Oregon experiences a powerful earthquake.

Traffic ImpactsExpect periodic lane closures on Southwest Hood Avenue in South Waterfront. All traffic on Southwest Hood Avenue can travel directly onto Southwest Bancroft Street without using the detour.​

For more information: www.I5Seismic.org

Interstate 5 at Southwest Barbur and Southwest 26th - Stormwater Management

Project Description: Environmental Services and the Oregon Department of Transportation are constructing a series of terraced stormwater​ rain gardens and pipes to collect sediments and pollutants before the water enters Tryon Creek. The work started on February 2, 2015.

T​raffic Impacts: The right lane and shoulder of northbound I-5 will be closed Monday through Friday from 8 p.m. to 5:30 a.m. and on Sundays from 9:30 a.m. until 7:30 p.m. This schedule is subject to change due to conditions underground, weather, traffic impacts, subcontractor schedules and availability of materials.​

For more information: www.portlandoregon.gov/bes/article/480340​

Interstate 5 at Oregon Highway 99W - Southwest Barbur Boulevard

Project Description: Construction is underway on a seismic retrofit project for five bridges along the Interstate 5 corridor between Portland’s South Waterfront district and the Tualatin River. Retrofitting the state’s older bridges to meet modern seismic specifications will help ensure I-5 would not be immobilized in the event Oregon experiences a powerful earthquake.

Traffic Impacts: Expect periodic nighttime lane closures on the I-5 northbound truck lane at Southwest Barbur Boulevard from 8 p.m. to 5 a.m. There will also be periodic traffic stops on the northbound on-ramp from Southwest Barbur Boulevard to I-5. Drivers should be aware of construction signage and lane changes since this project will include periodic nighttime lane closures on I-5 from 8 p.m. to 5 a.m. Monday through Thursday.

For more information: www.I5Seismic.org​

Interstate 5 at Southwest Lower Boones Ferry Road

Project Description: Construction is underway on a seismic retrofit project for five bridges along the Interstate 5 corridor between Portland’s South Waterfront district and the Tualatin River. Retrofitting the state’s older bridges to meet modern seismic specifications will help ensure I-5 would not be immobilized in the event Oregon experiences a powerful earthquake.

Traffic Impacts: Expect periodic nighttime lane closures on Lower Boones Ferry Road in both directions Monday to Thursday from 8 p.m. to 6 a.m. Flaggers will be directing traffic.

For more information: www.I5Seismic.org​

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