2. The Legislative Mandate of the Department The Department is entrusted with maximising "the contribution of transport to the economic and social development goals of [the] country by providing fully integrated transport operations and infrastructure". The main roles of the Department of Transport and its public entities in relation to the transport sector are: . Policy and strategy formulation in all functional areas; . Substantive regulation in functional areas where the Department has legislative competence; . Implementation in functional areas where the Department has exclusive legislative competence; . Capacity-building in all functional areas; . Monitoring, evaluation and oversight in all functional areas; and . Stimulating investment and development across all modes.