PPP contract to be signed for Santos–Guarujá immersed tunnel in São Paulo state, Brazil November 22, 2025 | News, North America News The São Paulo state government has confirmed that the public–private partnership (PPP) contract for Brazil’s first immersed tunnel will be signed in the coming weeks. Mota-Engil won the 30-year conces... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password