Iowa 80 Truckstop has announced Lindsay Lawler will perform at the 34th annual Walcott Truckers Jamboree on July 11 at 7 p.m. The concert is sponsored by CAT Scale. Lawler is the spokesperson for trucking’s Highway Angel program. The jamboree will feature more than 175 exhibits, as well as a Super Truck Beauty Contest, antique truck display and an Iowa pork chop cookout, among other events. Admission and parking are free and shuttles will be provided from parking to event grounds. The jamboree will be held at Iowa 80 Truckstop, off Exit 284, on July 11-13.