Examples of specialized experience includes managing or participating in managing a transportation or traffic program involving (1) operating a transport or traffic system to move passengers or commodities of an organization when there is accountability for operating costs, (2) operating a transportation system to provide common carrier types of services to shippers, and (3) procuring common or other carriers and other transportation services to move an organizations personnel, freight, and/or other commodities; conducting or participating in conducting surveys and studies of the traffic management function, operating methods, procedures, and performance; making presentations on traffic matters before Federal, State, or local regulatory bodies; performing loss and damage prevention work when this included responsibilities such as policy and procedures formulation and studies of traffic operations and services; negotiating with carriers and/or regulatory bodies on questions of rates, transit privileges and charges, special services and charges thereof, and classification of commodities; providing advisory service involving commodity analysis from the transportation standpoint. Knowledge of a wide range of traffic management principles, policies, practices, laws, regulations, techniques, and operations to include those concerning economics of transportation; commercial carrier operations and tariffs; hazardous, classified, extraordinary, and sensitive materials; and related areas such as storage, preservation, packaging, and US and foreign customs import/export requirements as these involve air, motor, rail, and water movements.