496 U.S. 167 496 U.S. 167 110 S.Ct. 2323 110 L.Ed.2d 148 AMERICAN TRUCKING ASSOCIATIONS, INC., et al., Petitionersv.Maurice SMITH, Director, Arkansas Highway and Transportation Department, et al. No. 88-325. Argued March 22, 1989. Reargued Dec. 6, 1989. Decided June 4, 1990. Syllabus In 1983 petitioners brought suit in an Arkansas Chancery Court, alleging that […]