450 U.S. 662 450 U.S. 662 101 S.Ct. 1309 67 L.Ed.2d 580 Raymond KASSEL et al., Appellants,v.CONSOLIDATED FREIGHTWAYS CORPORATION OF DELAWARE. No. 79-1320. Argued Nov. 4, 1980. Decided March 24, 1981. Syllabus Unlike all other States in the West and Midwest, Iowa by statute generally prohibits the use of 65-foot double-trailer trucks within its borders, […]