Indiana has a federal law (23 CFR, part 658, Appendix C) that allows vehicles to operate up to 22,400 pounds on a single axle, 36,000 pounds on a tandem axle, and 127,400 pounds of GVW on parts of the interstate system (Indiana toll roads). Trucks that weigh more than 10,000 pounds in total weight cannot use the HOV, HOT or express toll lanes. The secretary may also issue permits to operate combinations of vehicles on a route designated by the secretary between a toll booth of the Kansas toll booth and a motorized cargo truck terminal located less than 10 miles from the toll booth, or 20 miles from a toll booth at the northeast end of the turnpike (Kansas). In Connecticut, three-axle concrete dump trucks and three-axle vacuum trucks for sewer cleaning are allowed to exceed some elements of the federal limits.
Heavy cranes in combination with towed units are also allowed to exceed axle, dimension and maximum gross weight limits, but not more than 150,000 pounds. In Iowa, several provisions of state legislation allow trucks to exceed some elements of the federal limits. In Washington, several provisions of state legislation allow trucks to exceed some elements of the federal limits. In Kentucky, several provisions of state legislation allow trucks to exceed some elements of the federal limits.
In Georgia, several provisions of state legislation allow trucks to exceed some elements of the federal limits. However, a restriction on trucks at peak times would prevent trucks from making deliveries and would therefore likely be considered a restriction under the law. In Illinois, the state code requires the DOT to maintain and provide a route system for trucks on Class I, Class II, and Class III highways. In Vermont, several provisions of state legislation allow trucks to exceed some elements of the federal limits.
In Montana, several provisions of state legislation allow trucks to exceed some elements of the federal limits. In Arkansas, several provisions of state legislation allow trucks to exceed some elements of the federal limits. In Illinois, several provisions of state legislation allow trucks to exceed some elements of the federal limits. In South Dakota, several provisions of state legislation allow trucks to exceed some elements of the federal limits.
