A single-vehicle accident occurred in Lawrenceville last night. Raphael Unfried of Allendale was driving a Mack Tractor Truck east on Charles Street when he attempted to turn right onto 14th Street. The vehicle struck a city street sign and then hit an Ameren utility pole. The impact with the pole caused damage to a nearby residential roof as well as an electrical power line owned by Ameren. Unfried was not injured in the accident.