Túnel da Conceição, Double-deck tunnel in Porto Alegre, Brazil
Túnel da Conceição is an underground tunnel in Porto Alegre with two separate levels for opposing traffic directions. The structure contains four lanes on each passage and was designed to handle city traffic efficiently.
The tunnel project began in 1970 under Mayor Telmo Thompson Flores and was completed in 1972. It represented an important infrastructure addition to Porto Alegre during that decade.
The tunnel forms an integral part of Porto Alegre's First Perimeter, connecting the Conceição Elevated Road to Osvaldo Aranha Avenue.
The tunnel accommodates vehicles up to approximately 4.3 meters in height, with each direction having different passage lengths. The structure is designed for continuous traffic flow through the city center.
The structure incorporates continuous foundation footings, containment walls, and ribbed slabs at both the intermediate floor and roof levels.
The community of curious travelers
AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.
