An accident earlier this evening, combined with holiday traffic congestion, has led to delays of up to an hour on westbound Interstate 90.

According to the Washington State Department of Transportation, a collision at about 5:30 p.m. near milepost 65 has traffic congestion back to milepost 71 near Easton.

Motorists should expect up to one hour added travel time to trips.

For the latest traveler information, visit www.wsdot.wa.gov/traffic or call 5-1-1