# Cotia infrastructure and urban mobility developments > Live situation record from CLSTR: https://clstr.news/situations/cotia-infrastructure-and-urban-mobility-developments > Updated: 2026-10-13T12:11:00.000Z. Sources: 11. Developments: 2. The municipality of Cotia is advancing several large-scale infrastructure and urban mobility projects. Initially, the City Hall authorized a feasibility study to structure a future concession for the public bus system, a project valued at R$ 2.8 million intended to evaluate route expansion and service restructuring. Subsequent developments include major sanitation and mass transit initiatives. The State Environmental Council scheduled public hearings for December 2026 to discuss environmental impact studies for the future Metro Line 22-Brown, which is intended to connect Cotia to São Paulo via Osasco and USP. In terms of sanitation, Cotia and Sabesp have coordinated R$ 1 billion in investments for works under Phase 2 of the Tietê Project. This initiative includes 123 kilometers of linear works and 19 sewage lifting stations, aiming for universalization targets of 100% water supply and 90% sewage treatment. These efforts are part of the broader Integra Tietê program, which seeks to reduce pollution in the Tietê River through significant investments in sewage networks and treatment plant expansions. ## Timeline ### 2026-10-13: Sabesp invests billions in São Paulo sanitation and Metro projects Sabesp is investing billions in sanitation projects in São Paulo, including a R$ 1 billion plan for Cotia and the expansion of the Parque Novo Mundo treatment plant to benefit millions. 10 sources. https://clstr.news/cluster/cotia-advances-major-sanitation-and-metro-infrastructure-projects ### 2026-09-25: Cotia initiates feasibility study for new public bus concession Cotia has commissioned a R$ 2.8 million feasibility study by FDTE to structure a new public bus concession, aiming to improve routes, reduce wait times, and expand service coverage. 2 sources. https://clstr.news/cluster/cotia-initiates-feasibility-study-for-new-public-bus-concession --- Cite as: Cotia infrastructure and urban mobility developments. CLSTR, https://clstr.news/situations/cotia-infrastructure-and-urban-mobility-developments