Drainage works in Alemoa cause detours on the port perimeter road

The chronic flooding problem in the Alemoa area, at the entrance to Santos, is nearing an end. The Santos Port Authority (APS) is building a drainage channel near the Alemoa roundabout, between the end of the Paulo Bonavides overpass and Engenheiro Augusto Barata Avenue, which will quadruple the current stormwater flow capacity. Starting this Friday (December 5), the works will affect vehicle traffic.

Since October 20, APS has been building an alternative lane for traffic diversion, as the outbound lanes from the Port will need to be closed for the installation of the drainage channel. As a result, the current roundabout will be removed (and later replaced with turnarounds in both directions), which will lead to the following detours:

• Vehicles coming from Via Anchieta via the Doutor Paulo Bonavides overpass and heading to Alamoa Industrial must take the first right onto Doutor Albert Schweitzer Street, returning under the overpass via Augusto Scaraboto Street.
• Vehicles coming from the BTP terminal and heading toward Ponta da Praia must exit via the right lane next to the overpass and go around Alamoa Industrial via Aurélio Batista Félix, Italianos, and Doutor Albert Schweitzer streets, turning left at the traffic light to access the Paulo Bonavides overpass.

The detour affects traffic only in the outbound direction from the Port — the alternative lane is narrower than the current one, thus having lower traffic capacity, which may cause congestion during the construction period, expected to last until December 2026. The lane heading into the Port will not be affected.

Increased drainage capacity

The Alemoa region is one of the most critical areas in Santos during rainy periods, experiencing severe flooding that causes disruptions for the local population and port operations, with interruptions to truck, bus, and car traffic.

The small drainage ditch currently located at the end of the overpass measures 1.5 m x 1.5 m, insufficient for stormwater runoff. This ditch will be replaced by a channel 5 m deep and 2 m wide, quadrupling the current flow capacity. The works will provide a definitive solution to the chronic flooding problem in the area.

In addition to the drainage improvements, the APS works include replacing the existing cobblestone pavement with asphalt, which will improve traffic flow by clearly defining the three traffic lanes. The existing roundabout will be replaced by two free-flow turnarounds, which will also facilitate vehicle movement.

Throughout the construction period, Port Authority guards will be on-site to guide drivers. A tow truck will remain on standby in case of incidents requiring vehicle removal from the roadway.

Source: APS

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