# Traffic and infrastructure issues in Rio de Janeiro > Live situation record from CLSTR: https://clstr.news/situations/traffic-and-infrastructure-issues-in-rio-de-janeiro > Updated: 2026-10-20T16:06:55.000Z. Sources: 4. Developments: 2. The state of Rio de Janeiro has experienced various transportation challenges involving highway incidents and infrastructure degradation. On October 17, multiple accidents on the RJ-186 and RJ-155 highways caused significant disruptions. On the RJ-186, a truck collision with a bridge structure near São José de Ubá resulted in a two-kilometer traffic jam, while a mechanical failure in a tunnel on the RJ-155 near Angra dos Reis forced a “stop and go” traffic system. By October 20, issues shifted toward the Niterói metropolitan area, where commuters faced heavy congestion near the Rio-Niterói Bridge and on Avenida Marquês do Paraná. Additionally, motorists reported severe road deterioration on the RJ-104, citing numerous potholes that caused vehicle damage and impacted public transportation. The State Department of Highways (DER-RJ) indicated that pavement repairs are underway on the RJ-104. ## Timeline ### 2026-10-20: Traffic congestion and road deterioration reported in Niterói region Commuters in Niterói face heavy traffic congestion near the Rio-Niterói Bridge and deteriorating road conditions on the RJ-104 highway, leading to vehicle damage and travel delays. 2 sources. https://clstr.news/cluster/traffic-congestion-and-road-deterioration-reported-in-niteri-region ### 2026-10-17: Rio de Janeiro highways face traffic disruptions due to truck incidents Traffic disruptions occurred in Rio de Janeiro due to a truck colliding with a bridge on the RJ-186 and a mechanical failure blocking a tunnel on the RJ-155. 2 sources. https://clstr.news/cluster/rio-de-janeiro-highways-face-traffic-disruptions-due-to-truck-incidents --- Cite as: Traffic and infrastructure issues in Rio de Janeiro. CLSTR, https://clstr.news/situations/traffic-and-infrastructure-issues-in-rio-de-janeiro