A variety of truck configurations are used to move superloads throughout the US. Superload configurations must meet axle weight restrictions and be maneuverable enough to navigate the infrastructure along the route. Superload trailers come in two varieties: long and wide. Long configurations utilize anywhere from 7 to 19 axles to spread the load’s weight. Wide configurations or dual lane loading, use trunnion axles to increase the number of axles and width but are shorter. Depending on the infrastructure, states will limit the use of 19-axle or dual lane loading. Carriers must verify that a state will allow the specific configuration and then determine if its performance characteristics matches the route.