SPOKANE, Wash. — As Washington State Patrol continues to investigate the death of a Spokane County Sheriff Sergeant who was hit and killed on the highway, the agency is reminding everyone of the road rules meant to keep us all safe.

On Saturday, 59-year-old SCSO Sergeant Kenneth Salas died after being struck by a motorcycle while helping move a hay bale off I-90 near Four Lakes.

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The Washington State Patrol is investigating the crash.

WSP said state law requires drivers to move over one lane or reduce speed to 10 miles below the posted speed limit when emergency vehicles, construction crews or vehicles providing roadside assistance block a traffic lane.

"That's why

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