CET‑Rio schedules extensive tunnel and road closures for maintenance on July 29‑30, 2026

CET‑Rio road closures tunnel maintenance July 29‑30 2026 detour routes

The Rio de Janeiro traffic authority (CET‑Rio) announced a series of scheduled closures on July 29‑30, 2026 for maintenance and a bridge race. The Rebouças Tunnel will be closed toward Lagoa from 22:00 on July 29 until 05:00 on July 30, with a reversible lane opened for traffic toward the Zona Sul and two lanes serving the Centro direction. The Santa Bárbara Tunnel will be closed toward Santo Cristo from 23:30 on July 29 to 04:30 on July 30. The Vice‑President José Alencar Tunnel will be closed toward Barra from 23:00 on July 29 to 04:00 on July 30. The lower deck of the Elevated das Bandeiras will be closed toward São Conrado from 23:00 on July 29 to 04:30 on July 30. The Zuzu Angel and Acústico Rafael Mascarenhas tunnels will be closed toward São Conrado from 23:30 on July 29 to 05:00 on July 30. Drivers are directed to use Avenida Niemeyer as a two‑way detour, and CET‑Rio staff will monitor traffic and adjust signal timings to keep flow smooth during the closures.

Entities: Avenida Niemeyer · CET‑Rio · CET‑Rio (Companhia de Engenharia de Tráfego do Rio de Janeiro) · Companhia de Engenharia de Tráfego (CET‑Rio) · Companhia de Engenharia de Tráfego do Rio de Janeiro (CET‑Rio) · Elevado das Bandeiras · Elevated das Bandeiras · Elevated das Bandeiras (lower deck) · Rio de Janeiro · Tunnel Rebouças · Tunnel Santa Bárbara · Tunnel Vice‑President José Alencar

Claims

What the coverage asserts, and how well corroborated each claim is across sources.

[● 18 SOURCES] Tunnel Santa Bárbara will be closed toward Santo Cristo from 23:30 on July 29 to 04:30 on July 30 for maintenance. (CET‑Rio)
[● 18 SOURCES] CET‑Rio will monitor traffic conditions and adjust signal timings to improve flow on detour routes. (CET‑Rio)
[● 18 SOURCES] Avenida Niemeyer will remain open with two‑way traffic as the main detour route during the closures. (CET‑Rio)
[● 18 SOURCES] Tunnels Zuzu Angel and Acústico Rafael Mascarenhas will be closed toward São Conrado from 23:30 on July 29 to 05:00 on July 30 for maintenance. (CET‑Rio)
[● 18 SOURCES] The lower deck of the Elevated das Bandeiras will be closed toward São Conrado from 23:00 on July 29 to 04:30 on July 30 for revitalisation works. (CET‑Rio)
[● 18 SOURCES] Tunnel Rebouças will be closed toward Lagoa from 22:00 on July 29 to 05:00 on July 30 for revitalisation works. (CET‑Rio)
[● 8 SOURCES] Traffic between Barra and São Conrado was diverted to the upper level of the Elevated, which remained open. (multiple)
[● 7 SOURCES] The Santa Bárbara tunnel was closed in the Santo Cristo direction from 23:30 on 29 July to 04:30 on 30 July for maintenance. (CET‑Rio road‑closure notice)
[● 7 SOURCES] Drivers were instructed to use Avenida Niemeyer as a detour, which operated with two‑way traffic. (CET‑Rio road‑closure notice)
[● 18 SOURCES] A reversible lane on the opposite side of the Rebouças tunnel was opened for traffic toward the Zona Sul, with two lanes serving the Centro direction. (CET‑Rio)
[● 7 SOURCES] The Rebouças tunnel was closed toward Lagoa from 22:00 on 29 July to 05:00 on 30 July for revitalisation. (CET‑Rio road‑closure notice)
[● 7 SOURCES] The Acústico and Zuzu Angel tunnels were closed toward São Conrado from 23:30 on 29 July to 05:00 on 30 July for maintenance. (CET‑Rio road‑closure notice)