Introduce programmes to change driver behaviours 2021-2030NDC 11 Road infrastructure development 2021-2030 11.1 Development of provincial and rural road infrastructure for improved mobility 2021-2030 11.2 Expansion of expressway network 2021-2030 NDC 12 Reduce GHG emissions from the marine sector 2021-2030 12.1 Ratify Annex VI of MARPOL convention to enforce provisions in Sri Lanka 2021-2030 12.2 Study the impact of shipping on GHG emissions (coastal traffic and ports) depending on evidence-based information and introduce measures to address the issues 12.4 Introduce energy efficiency measures and fuel quality improvement programmes to coastal shipping and fishing boats and vessels NDC 13 Generic enabling activities 2021-2030 13.1 Introduce new national policy or make amendments to relevant existing policies to promote environmentally sustainable transport modes including electric mobility and hybrid vehicles 13.2 Introduce fuel-based carbon tax 2021-2030 13.3 Include climate change measures in maritime policy making 2021-2030 It is expected that the implementation of updated NDCs will result in GHG emissions reduction against BAU scenario by 4.0% in the transport sector (1.0% unconditionally and 3.0% conditionally) equivalent to an estimated mitigation level of 1,337,000 MT unconditionally and 4,011,000 MT conditionally (total of 5,348,000 MT) of carbon dioxide equivalent during the period of 2021-2030 (Figure 4.4.2).