Indiana State Police say a Knox County man was seriously injured in a two vehicle accident on US 50 east of Shoals in Martin County. Adam Moon of Bruceville was traveling in a truck and veered left of center and into the path of an oncoming Kenworth semi being driven by a Winslow Indiana man with the two colliding. Moon was lifeflighted to the University of Louisville Kentucky Hospital. The other truck driver was uninjured.