
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.
Also read:
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- Washington, Oregon transportation commissions to discuss Interstate 5 bridge tollingWashington and Oregon commissions will jointly review I-5 bridge toll rate options and discount analysis on June 5.
- County Public Works reminds residents to secure loads before hauling, to reduce dangerous roadside debris and litterUnsecured vehicle loads cause more than 300 Washington crashes annually and dumped 150,000+ lbs of litter in Clark County in 2025.
- Weekend paving work closes southbound I-205 entrance from I-5 in Vancouver May 29-31Crews will use a smart work zone system with zipper merging to reduce delays during the I-205 closure.






