Tamil Nadu is accelerating the modernization of its public transport system by expanding electric bus fleets, upgrading transport infrastructure, and improving passenger services. State transport undertakings are introducing zero-emission buses on key urban and intercity routes to reduce fuel consumption and air pollution. Investments in intelligent transport systems, digital ticketing, depot modernization, and charging infrastructure are enhancing operational efficiency and commuter convenience.

These initiatives support sustainable mobility, lower carbon emissions, and align with India's clean energy objectives while strengthening accessible, affordable, and environmentally friendly public transportation across the state.