Two Men Have Lost Their Lives In A Traffic Crash This Morning In Wythe County, Virginia In Which Weather Was A Factor. Virginia State Police Said 54 Year Old William Edward Smith, Sr. Of Sylva, North Carolina, And His Son, 25 Year Old William Edward Smith, Jr. Of Mooresburg, Tennessee, Were Killed While Trying To Help Another Motorist On The Side Of The Road Near The 58 Mile Marker On Interstate 81. They Died After Being Struck By A Tractor-Trailer Which Jackknifed While Trying To Avoid Striking Them. Both Victims Died At The Scene.