The Idaho State Police investigated a motorcycle fatality crash Monday morning on State Highway 55 north of Banks.
William Balding, 55, of Boise was driving a 2009 Yamaha motorcycle north on the highway when he went off the roadway and struck the guardrail near milepost 86. Balding was ejected from the motorcycle and succumbed to his injuries at the scene.
Police responded to the crash at about 9:50 a.m.
Balding was not wearing a helmet, according to police. The crash is under investigation by the Idaho State Police.