A containerized cargo permit allows for the movement of an indivisible load of containerized cargo and is only valid for movement to or egress from the Port of Baltimore. Special hauling permits are available for movement to or egress from other international ports. Determination of an Indivisible Load. A truck tractor-semitrailer combination of vehicles carrying manifested international freight as the only load of the vehicle in a sealed, seagoing container on a semitrailer is deemed to be carrying an indivisible load if: The vehicle does not exceed the following maximum axle and gross vehicle weight limits: 22,400 pounds on a single axle; 44,000 pounds on two consecutive axles at least 4 feet apart; or 90,000 pounds gross vehicle weight; The maximum allowable gross vehicle weight on a 20-foot container is: 80,000 pounds if loaded on a 20-foot intermodal chassis; and 90,000 pounds if loaded on a 40-foot intermodal chassis; and The maximum allowable gross vehicle weight on a 40-foot container is 90,000 pounds. Containerized cargo permits are valid for 1 year. A permittee shall comply with all restrictions attached to the permit as well as any hauling permit restrictions posted on the Motor Carrier Division and Chart websites found at www.marylandroads.com. It is the responsibility of the Permittee to review these websites for current hauling permit restrictions prior to any move being made under the authority of the permit.