Transportation

Plan ahead for nighttime ramp closure on I-5 in Clark County, July 31

WSDOT will close the northbound I-5 off-ramp to 179th Street from 9 p.m. July 31 to 2 a.m. Aug. 1 for safety tech testing; delays expected.

By Clark County Today · July 30, 2025
Plan ahead for nighttime ramp closure on I-5 in Clark County, July 31
WSDOT will close the northbound I-5 off-ramp to 179th Street from 9 p.m. July 31 to 2 a.m. Aug. 1 for safety tech testing; delays expected.
WSDOT will close the northbound I-5 off-ramp to 179th Street from 9 p.m. July 31 to 2 a.m. Aug. 1 for safety tech testing; delays expected.
WSDOT will close the northbound I-5 off-ramp to 179th Street from 9 p.m. July 31 to 2 a.m. Aug. 1 for safety tech testing; delays expected.

On Thursday, WSDOT crews will complete final testing and set up the wrong-way detection system on the off-ramp from northbound I-5 to Northeast 179th Street in Clark County

CLARK COUNTY – Travelers who use northbound Interstate 5 near Ridgefield should plan ramp closures and delays.

On Thursday, July 31, the Washington State Department of Transportation crews will complete final testing and set up the wrong-way detection system on the off-ramp from northbound I-5 to Northeast 179th Street in Clark County.

This technology is designed to reduce wrong-way driving and improve safety for everyone on the road.

What to expect

  • From 9 p.m., Thursday, July 31 to 2 a.m., Friday, Aug. 1: The right lane along northbound I-5 and the off-ramp to Northeast 179th Street (mileposts 8.7-9.2) will close overnight.

Travelers should slow down through the work zone, stay focused and expect delays.

Know before you go

Get real-time travel information via the WSDOT mobile app, the real-time travel map, or by signing up for email updates and alerts. 


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