The Zanesville highway patrol is investigating a fatal accident that happened early Friday morning. Troopers say it happened around 2 a.m. just west of Zanesville. The victim is identified as 45-year-old Kenneth Bishop of Hopewell. Investigators say Bishop was driving east on I-70, went off the right side of the road and struck a guardrail. He was then ejected from his vehicle. Troopers are still not sure how the accident happened. The incident remains under investigation.