A 48 year old Mason man was injured in a one vehicle accident on I-70 early this morning. The accident occurred at 1:31 this morning on I-70 westbound at mile marker 59—which is two miles west of the Vandalia west interchange. Illinois State Police reports indicate that 48 year old Ronald Pike of Mason was traveling in his truck-tractor going westbound when he lost control of the unit and left the roadway. The vehicle entered the median and overturned onto its driver’s side. Pike was transported to Fayette County Hospital. The accident remains under investigation.