The key areas of transport covered by the TSU include Fiscal Policy and Transport Investments; Performance Evaluation of Transport Programmes and projects; Financing Transport Infrastructure and Services; Transport Safety Planning and management; Transport Operations and Management; Capacity Building and Transport; Transport Forecasting; Transport Policy Analysis; Transport Network Modelling; Multi-Modal Transport Analysis and Coordination; Rural Transport; Transport legislations; Sustainable Transport; Environment and Transport among others.

Apart from conducting policy-oriented research, the TSU organises seminars and workshops as well as provides targeted training programmes and consultancy services in all transport fields.