Hazardous whiteout conditions led to a vehicle pileup in the westbound lanes on I-84 near Multnomah Falls in Oregon.

Whiteout conditions in Oregon caused a pileup of as many as 30 cars, trucks and semi-trucks on Interstate 84 on Thursday near Multnomah Falls ... sheriff's office said in a post on social media.

Westbound I-84 near Multnomah Falls, Oregon, is closed after treacherous ... road debris", ODOT wrote in an 8:37 p.m. social media post. ODOT is encouraging drivers to check the status of their ...

In an initial social post, deputies with the Multnomah County ... 20-30 vehicles were involved in the crash on I-84 west of Multnomah Falls," the sheriff's office said. "Low visibility made ...

Authorities say a crash on Interstate 84 near Portland, Oregon, in whiteout conditions caused a more than 100-vehicle pileup.