This marks the second fatal accident on the road in less than a week.
Her first court appearance is scheduled for Thursday.
Prices are forecast to reach their highest level for the holiday weekend in four years.
The 28-year-old suspect made his first court appearance on Friday.
The crash sent a second driver to the hospital.
A daytime lane closure for southbound travelers is scheduled for Thursday.
Changes could take effect starting this summer.
A public safety bill signed into law last year created the grant program.
The funds will be used to help homeowners whose properties are eligible for buyouts in flood-prone regions.
Some Skagit County residents are affected by the water adjudication for the Nooksack watershed.
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