FORT WAYNE, Ind. (WOWO): A semi fire has caused traffic delays for several hours Tuesday morning. It began early in the morning when the trailer of a semi caught fire at US 30 and Butt Road in Allen County. Fort Wayne Dispatch continues to urge drivers to take a different route, due to traffic tie-ups. According to our partners in news at 21 Alive, the semi was carrying snack foods, and the trailer was burned nearly in half.