The eastbound State Route 18 on-ramp to westbound I-90 near Snoqualmie was blocked Wednesday morning due to a concrete spill, according to Trooper Rick Johnson with the Washington State Patrol.
The Washington State Department of Transportation (WSDOT) first reported the incident at around 8:20 a.m.
By 8:40 a.m., WSDOT said that Incident Response crews were on the scene, with traffic backups extending to Deep Creek.
Trooper Johnson posted on social media just after 9 a.m., confirming that cleanup crews were on the way, with an ETA of approximately 2 hours to clear up.
WSDOT reminded drivers that Issaquah-Hobart Rd is not suitable for freight traffic, and asked those traveling through the area to expect delays and seek alternate routes.
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