Va. Code § 46.2-1125: Maximum tandem axle weight, generally

The tandem axle weight of any vehicle or combination shall not exceed 34,000 pounds, and no one axle of such tandem unit shall exceed the weight permitted for a single axle. Furthermore, the weight imposed on the highway by two or more consecutive axles, individually attached to the vehicle and spaced not less than forty inches nor more than ninety-six inches apart, shall not exceed 34,000 pounds and no one axle of such unit shall exceed the weight permitted for a single axle.Code 1950, § 46-334; 1952, c. 454; 1956, cc. 141, 476; 1958, c. 541, § 46.1-339; 1962, c. 84; 1964, c. 354; 1974, c. 145; 1981, c. 187; 1982, c. 671; 1983, c. 515; 1987, c. 695; 1989, c. 727.