Washington Revised Code Title 46. Motor Vehicles § 46.29.240. Certain matters not evidence in civil suits

The report required following an accident, the action taken by the department pursuant to this chapter, the findings, if any, of the department upon which such action is based, and the security filed as provided in this chapter, shall not be referred to in any way, and shall not be any evidence of the negligence or due care of either party, at the trial of any action at law to recover damages.