SEATTLE (AP) — An injured Washington state woman has filed suit in a Dec. 30 bus crash that killed nine people and injured 38 others on a highway in northeastern Oregon.

The Oregonian reports that 74-year-old Eun Sook Uhm of Lynnwood, Wash., sued the bus company that organized her trip, Mi Joo Tour & Travel of Vancouver, British Columbia.

The federal court suit filed Tuesday seeks unspecified damages for Uhm and her husband, who was not on the bus when it crashed in icy conditions on Interstate 84. She remains hospitalized at Harborview Medical Center in Seattle with injuries described in the lawsuit as “severe and permanent.”

The suit alleges the tour company allowed the bus driver to work without proper rest.

Oregon State Police continue their investigation. The tour company has been barred from operating in the United States and Canada.

A tour company lawyer has said the driver had plenty of sleep before the crash. Lawyer Mark Scheer said black ice was a major factor.

Several other lawsuits have been filed.

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