Greg Olson of Yakima is one busy and excited guy. Olson is a member of the Yakima Chapter of The American Truck Historical Society which is holding its’ National convention in Yakima this week at the Yakima Valley Sundome and State Fair Park. Olson says a record number of trucks will visit the valley upwards of 6 hundred trucks of all shapes, sizes and years. Many are arriving today fresh from the show in Reno Nevada. Olson says today some 4 hundred trucks will arrive in Yakima with the rest coming tonight and tomorrow. The truckers are from throughout the United States. Trucks already parked at State Fair Park are from Kansas, Wisconsin, Tennesee and Alabama. The show is open to the public at 8:00 a.m. Thursday morning.